Cast of Avengers: Endgame

Robert Downey Jr. plays Tony Stark / Iron Man, the benefactor of the Avengers who describes himself as a genius, billionaire, playboy, and philanthropist.

Chris Evans portrays Steve Rogers / Captain America, the leader of the Avengers and a World War II veteran who was enhanced to the peak of human physicality.

Mark Ruffalo plays Bruce Banner / Hulk, an Avenger and genius scientist who, because of exposure to gamma radiation, typically transforms into a monster when enraged or agitated. In this film, Banner has managed to balance his two sides with gamma experimentation, enabling him to combine his intelligence with the Hulk's strength and physical stature.

Chris Hemsworth portrays Thor Odinson, an Avenger and the king of Asgard. Thor now wields a mystical axe known as Stormbreaker and has become an overweight, drunken ruler of Asgard.

Scarlett Johansson plays Natasha Romanoff / Black Widow, a highly skilled spy and assassin who is a member of the Avengers.

Jeremy Renner portrays Clint Barton / Hawkeye, a master archer and former S.H.I.E.L.D. agent who is a member of the Avengers.

Don Cheadle plays James Rhodes / War Machine, a former U.S. Air Force officer and friend of Tony Stark who operates a heavily weaponized suit of armor.

Paul Rudd portrays Scott Lang / Ant-Man, a petty thief who is able to shrink in scale but increase in strength, and becomes a member of the Avengers.