Simon Oates

Dr. Joe Burke

Zena Marshall

Sandy Lund

Charles Hawtrey

Joshua Yellowlees

Patricia Hayes

Mrs. Jones

Stanley Meadows

Ben Keller

Max Adrian

Dr. Henry Shore

Frank Barry

Burke (as a child)

Leonard Cracknell

Nick

André Maranne

Gendarme

Frank Forsyth

Uncle

Robert Jewell

Robot Operator

Richard Carpenter

Danny

Montgomery Tully