What If

Jeffrey Wright

The Watcher (voice)

Terri Douglas

Additional Voices (voice)

Matthew Wood

Additional Voices (voice)

Fred Tatasciore

Additional Voices (voice)

Robin Atkin Downes

Additional Voices (voice)

Shelby Young

Additional Voices (voice)

Debra Wilson

Additional Voices (voice)

Dave B. Mitchell

Additional Voices (voice)

Helen Sadler

Additional Voices (voice)

Piotr Michael

Additional Voices (voice)

Hayley Atwell

Peggy Carter / Captain Carter (voice)

Sebastian Stan

Bucky Barnes (voice)

Samuel L. Jackson

Nick Fury (voice)

Josh Keaton

Steve Rogers / Captain America (voice)

Mick Wingert

Tony Stark / Iron Man (voice)

Kari Wahlgren

Additional Voices (voice)

Michael Ralph

Additional Voices (voice)

Benedict Cumberbatch

Doctor Strange (voice)

Ross Marquand

Infinity Ultron (voice)

Lake Bell

Natasha Romanoff / Black Widow (voice)

Chris Hemsworth

Thor (voice)

Seth Green

Howard the Duck (voice)

Mark Ruffalo

Bruce Banner / Hulk (voice)

Secunda Wood

Additional Voices (voice)

Tom Hiddleston

Loki (voice)

Andrew Morgado

Additional Voices (voice)

Taika Waititi

Korg (voice)

Karen Gillan

Nebula (voice)

Chadwick Boseman

Star Lord T'Challa (voice)

June Christopher

Additional Voices (voice)

Jeremy Renner

Clint Barton / Hawkeye (voice)

Alexandra Daniels

Carol Danvers / Captain Marvel (voice)

Frank Grillo

Brock Rumlow (voice)

Kat Dennings

Darcy (voice)

Arthur Ortiz

Additional Voices (voice)

Jon Favreau

Sir Harold 'The Happy' Hogan / Happy 'The Freak' Hogan (voice)

David W. Collins

Additional Voices (voice)

Devery Jacobs

Kahhori (voice)

Darin De Paul

The Executioner (voice)

Jason Isaacs

The Eminence (voice)

Josh Brolin

Thanos (voice)

Tom Vaughan-Lawlor

Ebony Maw (voice)

Matthew Yang King

Additional Voices (voice)

Danai Gurira

Okoye (voice)

Michael Rooker

Yondu (voice)

Rachel House

Topaz (voice)

Clancy Brown

Surtur (voice)

Kaitlyn Robrock

Additional Voices (voice)

Toby Jones

Arnim Zola (voice)

Kimberly Bailey

Additional Voices (voice)