The Cube

Richard Schaal

The Man in the Cube

Hugh Webster

Arnie

Rex Sevenoaks

Manager

Jack Van Evera

Prisoner

John Granik

Straight Man / Sergeant

Guy Sanvido

Comic Fritz

Liza Creighton

Cora, the Seductress

Don Crawford

Black Militant

William Osler

Scientist

Jerry Nelson

Monk

Sandra Scott

Miss Bates, the Decorator

Claude Rae

Dr. Conners

Don McGill

Professor

Ralph Endersby

Guitarist

Trudy Young

Liza 1

Jim Henson

Gorilla (voice)