Jerry Lewis

Kreton

Joan Blackman

Ellen Spelding

Earl Holliman

Conrad

Fred Clark

Major Roger Putnam Spelding

John Williams

Delton

Jerome Cowan

George Abercrombie

Gale Gordon

Bob Mayberry

Lee Patrick

Rheba Spelding

Milton Frome

Police Commissioner

Ellen Corby

Mrs. Mabel Mayberry

Paul Smith

Delton's Assistant

Paul Wexler

Beatnik