Darleen Carr
— Margo / Additional Voices (voice)
Terence McGovern
— Derek (voice)
Rob Paulsen
— Moki (voice)
Charlotte Rae
— Noah's Wife / Additional Voices (voice)
Frank Welker
— Additional Voices (voice)
Peter Cullen
— Japheth / Additional Voices (voice)
Lorne Greene
— Noah (voice)
Michael Rye
— Narrator (voice)