Jeffrey Wright
The Watcher (voice)

Robin Atkin Downes
Additional Voices (voice)

Fred Tatasciore
Additional Voices (voice) / Groot (voice) / Drax / Corvus Glaive (voice) / Volst...

Helen Sadler
Additional Voices (voice)

Josh Keaton
Steve Rogers / Captain America (voice) / Skinny Steve Rogers (voice) / Steve Rog...

Mick Wingert
Tony Stark / Iron Man (voice) / Tony Stark (voice)

Debra Wilson
Additional Voices (voice)

Michael Ralph
Additional Voices (voice)

Hayley Atwell
Peggy Carter / Captain Carter (voice) / Peggy Carter (voice)

Benedict Cumberbatch
Doctor Strange (voice) / Doctor Strange / Strange-Supreme (voice) / Strange Supr...

Lake Bell
Natasha Romanoff / Black Widow (voice) / Natasha Romanoff (voice)

Samuel L. Jackson
Nick Fury (voice) / Sir Fury (voice)

Sebastian Stan
Bucky Barnes (voice) / Bucky Barnes / The Winter Soldier (voice)

Piotr Michael
Additional Voices (voice)

Chris Hemsworth
Thor (voice) / King Thor Odinson (voice)

Mark Ruffalo
Bruce Banner / Hulk (voice) / Bruce Banner (voice)

Chadwick Boseman
Star Lord T'Challa (voice) / T'Challa / Black Panther (voice)

Jeremy Renner
Clint Barton / Hawkeye (voice)

Ross Marquand
Johann Schmidt / Red Skull (voice) / Ultron (voice) / Ultron / Sub-Ultron Sentri...

Dave B. Mitchell
Additional Voices (voice)