Laura Bailey

as Black Widow / Little Girl / Sister (voice)

Trevor Devall

as Red Guardian / Hydra Goon 1 (voice)

Haley Joel Osment

as The Collector (voice)

Steve Blum

as Wolverine / Wendigo 3 / Hydra Goon 5 (voice)

Will Friedle

as Hydra Goon 3 (voice)

James C. Mathis III

as Black Panther (voice)

Liam O'Brien

as Red Skull / Hydra Goon 2 (voice)

Laura Post

as Red She-Hulk / Milk Woman / Computer Voice (voice)

Bumper Robinson

as Captain America - Sam Wilson / Hydra Goon 4 (voice)

Roger Craig Smith

as Captain America - Steve Rogers / Red Ghost / Brother (voice)

Fred Tatasciore

as Hulk / Wendigo 1 / Santa Claus (voice)

Travis Willingham

as Thor / Wendigo 2 (voice)

Mick Wingert

as Iron Man / Omega Red / Hot Dog Vendor (voice)