Suggestions by @625rip

Vera Farmiga

as Maggie Sawyer in Superman: Memories

Jack Whitehall

as Superman in Superman: Memories

Sharon Stone

as Dr. Harleen Quinzel / Harley Quinn: in The Suicide Squad (1997)

Robert Patrick

as Christopher Smith / Peacemaker: in The Suicide Squad (1997)

Arnold Schwarzenegger

as the voice of Nanaue / King Shark: in The Suicide Squad (1997)

Elpidia Carrillo

as Cleo Cazo / Ratcatcher 2: in The Suicide Squad (1997)

Riptor

as Riptor in Killer Instinct

Destin Daniel Cretton

as Director in Killer Instinct

Ving Rhames

as Fulgore in Killer Instinct

Jeff Goldblum

as Robert Sheridan in Killer Instinct

Chicha Amatayakul

as Sadira in Killer Instinct

Gabriel Luna

as Cinder in Killer Instinct

Mark Hamill

as Spinal in Killer Instinct

Winston Duke

as TJ. Combo in Killer Instinct

Daniel Brühl

as Sabrewulf in Killer Instinct

Martin Sensmeier

as Eagle in Killer Instinct

Adam Beach

as Thunder in Killer Instinct

Doug Jones

as Glacius in Killer Instinct

Minami Hamabe

as Hisako in Killer Instinct

Shay Mitchell

as Black Orchid in Killer Instinct