This is list of characters or unnamed characters who were antagonists in the Die Hard series.
Bold stands for major antagonists
Die Hard[]
Nakatomi Plaza takeover and heist[]
Hans Gruber: An excommunicated Volksfrei radical who leads a group of international terrorists in taking over Nakatomi Plaza in Los Angeles via holding its business executives hostage and bombing the building's roof with C-4 explosives, in order to distract authorities from a heist on the building's vault for $640 million in negotiable bearer bonds.
- Karl Vreski: Hans' second-in-command, who takes out the Nakatomi security guards, disables the building’s phone lines and leads the hunt for John McClane to avenge his brother.
- Tony Vreski: Karl's younger brother, who helps with disabling the phone lines and investigates the fire alarm triggered by McClane at the cost of his own life.
- Franco: Karl's French bodyguard, who helps keep the hostages at bay and takes part in the hunt for McClane in the building.
- Fritz: Karl's German bodyguard, who helps keep the hostages at bay and takes part in the hunt for McClane in the building.
- Theo: Hans' African-American technical expert, who locks down the Nakatomi entrances from the security room and code-breaks the vault's first five locks.
- Kristoff: Theo's French assistant, who helps with opening the vault.
- Eddie: Hans' American watchman, who disguises himself as the security guard managing the front desk in the building's lobby.
- Heinrich: Hans' explosives expert, who drives the gang to the Nakatomi in a Pacific Courier truck and plants the C4 explosives on the building's roof.
- Alexander: Hans' weapons specialist, who keeps the hostages in check and launches missiles at the raiding police.
- James: Alexander’s assistant in loading the bazooka to attack the raiding police.
- James: Alexander’s assistant in loading the bazooka to attack the raiding police.
Die Hard 2[]
Dulles Airport siege[]
Gen. Ramon Esperanza: The military dictator of the Republic of Val Verde, who is imprisoned and being transported to the United States aboard Foreign Military One to face trial for abusing the neutrality of other countries and working around America's resulting ban on aid from his country via entering the drug trade.
- Col. William Stuart: A disgraced U.S. Special Forces commander and staunch supporter of Esperanza's anticommunist beliefs, who leads a group of mercenaries in a siege on Dulles International Airport via hacking into its IAD control tower's instrument landing systems from Highland Lake Community Church, in order to free Esperanza from U.S. custody.
- Garber: Stuart's first lieutenant and second-in-command, who functions the operation to free Esperanza from justice.
- Kahn: Stuart's mercenary who destroys the airport's ILS lines and escorts Esperanza when he escapes custody.
- Burke: Kahn's assistant, who sets up the conduit box to power up the makeshift airport equipment and helps Kahn destroy the airport's ILS lines below.
- Oswald Cochrane: Stuart's mercenary, who sets up the scrambling device in the airport's luggage area to tap into the tower's systems.
- Miller: Cochrane's assistant, who helps set up the scrambling device in the airport's luggage area to tap into the tower's systems.
- O’Reilly: Stuart's mercenary who leads a team to the airport's annex skywalk to oversee that the airport's new antenna array is blown up.
- Sheldon: Stuart's mercenary who goes with O'Reilly's team to the annex skywalk to make sure the airport's antenna array is destroyed.
- Shockley: Stuart's mercenary whose is in O'Reilly's team in the annex skywalk to oversee that the airport's antenna array is bombed.
- Mulkey: Stuart's mercenary who is in O'Reilly's team in the annex skywalk to oversee that the airport's new antenna array is destroyed.
- Maj. Grant: The commander of Blue Light Team posing as the team sent to take down Stuart and his men, but in reality, he and his men are in league with Stuart.
- Blue Light Team: A number of 11 members of Grant's men who are posing as a team assigned to take down Colonel Stuart, but are really are working for Stuart.
- Sherman: One of said 11 members of Grant's group, was present at the church "shootout" with Colonel Stuart's forces.
- Albertson: One of said 11 members of Grant's group, was present at the church "shootout" with Colonel Stuart's forces.
Die Hard with a Vengeance[]
New York bombings and Federal Reserve heist[]
Simon Gruber: A former National People's Army colonel and brother of the late Hans Gruber, who leads a group of international rogue soldiers in bombing areas of New York City via a twisted game of “Simon Says”, in order to distract authorities from a heist on the Federal Reserve Bank for $140 billion in fundable gold bullions.
- Katya: Simon's lover and second-in-command, who helps Simon and others rob the Federal Reserve Bank.
- Mathias Targo: Simon's Hungarian explosive expert and lieutenant, who leads a group of fourteen dump trucks to help heist the gold bullion in the Federal Reserve Bank.
- Otto: Targo's Hungarian assistant, who kills NYPD detective Ricky Walsh and takes his badge to disguise himself as a police detective.
- Berndt: Simon's henchman, who disguises himself as a business man during the robbery of Federal Reserve Bank and was also present onboard the cargo ship.
- Karl: Simon's rookie, who poses as a security guard for the Federal Reserve Bank at the main lobby.
- Nils: Simon's henchman who was waiting to kill John McClane in the dump truck but was shot along with his partner Klaus.
- Klaus: Nils' partner who was waiting to kill John McClane in the dump truck but was shot along with his partner Nils.
- Rolf: Simon's henchman who disguises himself as a policeman during the robbery of Federal Reserve Bank.
- Roman: Simon's henchman who posing as a police officer along with Rolf during the robbery of Federal Reserve Bank.
- Ivan: Simon's henchman who disguises himself as a maintenance worker during the robbery of Federal Reserve Bank.
- Mischa: Simon's henchman who helps Erik in Yankee Stadium in an attempt to assassinate John McClane and Zeus Carver upon arrival. John kills Mischa in a car chase.
- Erik: Mischa's assassin, who attempt to assassinate John McClane and Zeus Carver in Yankee Stadium. He was killed along with his partner Mischa.
- Jurgens: Simon's henchman, Simon gives him the mission to be the padre at the warehouse in Canada.
- Dietman: Simon's henchman.
Live Free or Die Hard[]
Cyber-attack in America[]
Thomas Gabriel: A dismissed Department of Defense chief programmer for America’s infrastructure security, who leads the group of Internet-based cyber-terrorists to systematically shut down the United States via a “Fire Sale” .
- Mai Linh: Gabriel's Vietnamese lover and second-in-command, who has the hackers who unknowingly passed their algorithms killed, leads a team to take over Eastern Power Hub in West Virginia to shut down power in the Eastern Seaboard.
- Mai's henchman #1: That henchman accompanied Mai to take over Eastern power hub in West Virginia.
- Mai's henchman #2: That henchman went with Mai to take over Eastern power hub in West MLG Virginia.
- Emerson: Gabriel's Italian sub-commander, who leads the team to take over Woodlawn in order to download the back-up financial data.
- Russo: Emerson's assistant, who helps with taking over Woodlawn and kidnaps Lucy McClane.
- Emerson's henchman #5: That henchman was in Emerson's group to take over Woodlawn, killed the expendable hackers, including Casper.
- Rand: Gabriel's French assassin with acrobatic skills who leads the assassination of the hackers who deliver their algorithms unknowingly to Gabriel.
- Del: Rand's partner who took out the hackers who passed their algorithms to Gabriel.
- Rand's assassin #1: One of Rand's partners who was sent to kill the hackers who passed their algorithms.
- Rand's assassin #2: One of Rand's partners who was assigned to terminate the hackers who passed their algorithms.
- Rand's assassin #3: One of Rand's partners who was sent to assassinate the hackers who passed their algorithms.
- Rand's helicopter pilot: One of Gabriel's henchman sent to help Rand and Del search for McClane and Farrell in Washington, D.C..
- Trey: Gabriel's lead hacker who is the only hacker truly in league with Gabriel.
- Casper: One of Gabriel's hackers who began downloading data from Woodlawn, helped locate Lucy.
- Gabriel's hackers: Some of these hackers work with Gabriel into transmitting the algorithms in order to shut down The United States.
- Robinson: Gabriel's driver who drove the semi-trailer truck to Woodlawn.
A Good Day to Die Hard[]
Weapons-grade uranium conspiracy[]
Yuri Komarov: A former billionaire who was imprisoned years before, secretly plotted to steal the weapons-grade uranium in Chernobyl for himself.
- Irina Komarov: Komarov's daughter and second-in-command, who helps her father get the weapons-grade uranium.
- Vadim: Komarov's henchman and pilot of the Mi-24P "Hind-F" attack helicopter.
- Komarov's co-pilot: The co-pilot of the Hind-F helicopter.
- Komarov's navigator: The navigator of the Hind-F helicopter.
- Mako: Komarov's henchman who was helping load the uranium on the Hind-F helicopter.
- Komarov's henchman #1: One of the henchman who was patrolling the areas in Chernobyl.
- Komarov's henchman #2: One of the henchman who was patrolling the areas in Chernobyl.
- Komarov's henchman #3: One of the henchman who stood watch on the building.
- Komarov's henchman #4: One of the henchmen who also stood watch on the building.
- Komarov's assassin: One of Komarov's subordinates who took out Chagarin on Komarov's orders for betraying him years ago.
Viktor Chagarin: A corrupt, powerful high-ranking Russian official who plans to have his former partner Yuri Komarov assassinated and take back the uranium for himself.
- Alik: Chagarin's main enforcer sent to assassinate Chagarin's former partner Yuri Komarov, remove any evidence against Chagarin and take the weapons-grade uranium in Chernobyl.
- Anton: Chagarin's associate.
- Alik's henchman #1: The driver of the Cougar armored vehicle, was also present in the hotel ballroom.
- Alik's henchman #2: The blonde-haired henchman who fired a RPG-7 at McClane, was also in the hotel ballroom.
- Alik's henchman #3: One of the men who raided the CIA safe house in Moscow.
- Alik's henchman #4: One of the men who attacked the CIA safe house.
- Alik's henchman #5: One of the men who was one of the attackers in the CIA safe house.
- Alik's henchman #6: One of the men who raided the CIA safe house.
- Alik's henchman #7: One of the men who was one of the attacking terrorists in the CIA safe house.
- Alik's henchman #8: One of the men that raided the CIA safe house in Moscow.
- Alik's henchman #9: One of the men who was one of the attacking terrorists in the CIA safe house.
- Alik's henchman #10: One of the men who was among the attackers in the CIA safe house.
- Alik's henchman #11: One of the men who attacked the CIA safe house.
- Alik's henchman #12: One of the men who sniped Mike Collins in the CIA safe house, was in the hotel ballroom.
- Alik's henchman #13: One of the men who was present in the hotel ballroom.
- Alik's henchman #14: One of the terrorists in the hotel ballroom.
- Alik's henchman #15: One of the men who was among the terrorists in the hotel ballroom.
- Alik's henchman #16: One of the men who entered the hotel ballroom.
- Alik's henchman #17: One of the men who was in the hotel ballroom.