Adam Baldwin as Superman / Clark Kent / Dark Superman (voice)

Anne Heche as Lois Lane (voice)

James Marsters as Lex Luthor (voice)

John DiMaggio as Toyman (voice)

Swoosie Kurtz as Martha Kent (voice)

Tom Kenny as Robot (voice)

Ray Wise as Perry White (voice)

Cree Summer as Mercy Graves (voice)

Adam Wylie as Jimmy Olsen (voice)

Chris Cox as Damon Swank (voice)

Hettie Lynne Hurtes as Newscaster (voice)

James Arnold Taylor as Officer Tucker (voice)

Townsend Coleman as Drill Operator (voice)

Kimberly Brooks as Murphy (voice)

Kevin Smith as Grumpy Man (voice)