Darleen Carr

as Margo / Additional Voices (voice)

Terence McGovern

as Derek (voice)

Rob Paulsen

as Moki (voice)

Charlotte Rae

as Noah's Wife / Additional Voices (voice)

Frank Welker

as Additional Voices (voice)

Peter Cullen

as Japheth / Additional Voices (voice)

Lorne Greene

as Noah (voice)

Michael Rye

as Narrator (voice)