Chris Evans
Steve Rogers / Captain America
Scarlett Johansson
Natasha Romanoff / Black Widow
Don Cheadle
James "Rhodey" Rhodes / War Machine
Aaron Taylor-Johnson
Pietro Maximoff / Quicksilver
Elizabeth Olsen
Wanda Maximoff / Scarlet Witch
Paul Bettany
J.A.R.V.I.S. (voix) / Vision
Thomas Kretschmann
Baron Wolfgang von Strucker
Dominique Provost-Chalkley
Zrinka
Antony Acheampong
Johannesburg Elevator Passenger
Chioma Anyanwu
Johannesburg Elevator Passenger
Daniel Westwood
Asgardian God (non-crédité)
Lou Ferrigno
Hulk (voix) (non-crédité)