Pamela Sue Martin

Liz Stone

Joan Hackett

Capt. Grace

Martin Mull

Tang / Arthur Lyle

Richard Belzer

Stoner

Barry Pearl

Red

Harry Shearer

Narrator / Voice of Philip Alien / Voice of George Blik (voice)

Betty Kennedy

Beth Lyle

George Buck Flower

Eagle Man

Lincoln Kilpatrick

Walt

Cathryn Hartt

Janette

Ian Abercrombie

Inspector

Joy Rinaldi

Joyce

Genie Lawrence

Jodie

Rose Marie Perfect

Louise

Sam Diego

Bureaucrat / Philip Alien

Kirk Henderson

Peter Winograd