Suggestions by @masterofcool

Michelle Pfeiffer

as The Phantasm in The Batman III: Shadows of the Past (1993)

John Lithgow

as The Joker in The Batman III: Shadows of the Past (1993)

Liam Neeson

as Batman in The Batman III: Shadows of the Past (1993)

Sam Raimi

as Director in The Batman III: Shadows of the Past (1993)

Warner Bros. Pictures

as Production Company in Superman: Brainiac Attacks (1993)

Warner Bros. Pictures

as Production Company in The Flash (1991)

Warner Bros. Pictures

as Production Company in Superman: Man of Steel (1990)

John Williams

as Composer in Superman: Brainiac Attacks (1993)

Jürgen Prochnow

as "Another One" in Superman: Brainiac Attacks (1993)

Spoiler

as "Another One" in Superman: Brainiac Attacks (1993)

Ethan Hawke

as Jimmy Olson in Superman: Brainiac Attacks (1993)

Dan Hedaya

as Perry White in Superman: Brainiac Attacks (1993)

Anne Bancroft

as Martha Kent in Superman: Brainiac Attacks (1993)

Alan Arkin

as Jonathan Kent in Superman: Brainiac Attacks (1993)

Louis Gossett Jr.

as General Sam Lane in Superman: Brainiac Attacks (1993)

Ed Harris

as Lex Luthor in Superman: Brainiac Attacks (1993)

Lance Henriksen

as Brainiac in Superman: Brainiac Attacks (1993)

Angela Bassett

as Lois Lane in Superman: Brainiac Attacks (1993)

Billy Campbell

as Superman in Superman: Brainiac Attacks (1993)

Steven Spielberg

as Director in Superman: Brainiac Attacks (1993)