Suggestions by @robertwaynecarroll

Robert Downey Jr.

as The Hydra Stomper (Tony Stark) in Rogers

Taika Waititi

as Adolf Hitler (Flashback) in Rogers

Mallory Jansen

as Viper (Ophelia Sarkissian) in Rogers

Harrison Ford

as Thaddeus Ross in Rogers

Frank Grillo

as Crossbones (Brock Rumlow) in Rogers

Sebastian Stan

as Winter Soldier (Bucky Barnes) in Rogers

Antony Starr

as Captain Germany (Gunther Shmidt) in Rogers

Mark Ruffalo

as Bruce Banner/Hulk (Hydra Scientist) in Rogers

Tim Roth

as Abomination (Hydra General) (Emil Blonsky) in Rogers

Hugo Weaving

as Red Skull (Johann Shmidt) in Rogers

Haley Atwell

as Peggy Carter in Rogers

David Pasquesi

as Mr. Immortal (Craig Hollis) in The 1980s AVENGERS

Chris Evans

as Captain America (Steve Rogers) in Rogers

Dashiell Messitt

as Wilson Brown Macready in Hit-Girl

Ross Lynch

as Tyson Brown Macready (Police Sergeant) in Hit-Girl

Ross Lynch

as Tyson Brown Macready (Chief of Police) in Hit-Girl

Fox Messitt

as Bryan Brown Macready in Hit-Girl

Yahya Abdul-Mateen II

as Black Manta (David Hyde) (Opening Scene Cameo) in The Flash

Scoot McNairy

as Metallo (Wallace Keefe) (Opening Scene Cameo) in The Flash

Sylvester Stallone

as Wild Cat (Theodore Grant) (Flashpoint Earth) in The Flash