Suggestions by @parzivaljoker

Imelda Staunton

as Etta Candy in Wonder Woman: Defender of the People (2000)

Naomi Watts

as Barbara Ann Minerva in Wonder Woman: Defender of the People (2000)

Catherine Zeta-Jones

as Wonder Woman in Wonder Woman: Defender of the People (2000)

Spoiler

as The Justice Society in Wonder Woman: Defender of the People (2000)

Joe Pesci

as Rocko in Martin Scorsese‘s Sesame Street

Daniel Day-Lewis

as Rocko in Martin Scorsese‘s Sesame Street

Michael Mann

as Director in Batman: The Game (1999)

Charlize Theron

as Barbara Gordon in Batman: The Game (1999)

Christopher Plummer

as Alfred Pennyworth in Batman: The Game (1999)

Daphne Rubin-Vega

as Renee Montoya in Batman: The Game (1999)

Henry Rollins

as Harvey Bullock in Batman: The Game (1999)

Robert De Niro

as Commissioner Jim Gordon in Batman: The Game (1999)

Mykelti Williamson

as Crispus Allen in Batman: The Game (1999)

Dennis Farina

as Salvatore Maroni in Batman: The Game (1999)

Kathy Bates

as "Mama" in Batman: The Game (1999)

Spoiler

as "Mama" in Batman: The Game (1999)

Edward Norton

as Scarecrow in Batman: The Game (1999)

Viggo Mortensen

as Batman in Batman: The Game (1999)

Sam Raimi

as Director in Superman: Man of Tomorrow (1998)

Samuel L. Jackson

as "Starman" in Superman: Man of Tomorrow (1998)