Riven

Jim Dale

as Jeff Eldon

Spike Milligan

as Dr. Harz

Angela Douglas

as Janine

John Bluthal

as Jerry

Norman Rossington

as Tom

Milo O’Shea

as Dr. Jameson

Richard Beaumont

as Billy White

Dinsdale Landen

as Col. Masters

Garfield Morgan

as Rogerson

Victor Spinetti

as Prof. Ribart

Harry Towb

as Ringmaster

Kenneth J. Warren

as Gen. Frank

Bob Todd

as The Great Manzini

Frank Thornton

as Estate Agent

Sheila Steafel

as Control Operator

Henry McGee

as TV Announcer

Richard Calder

as Soldier

Fernville Lord Digby

as Digby

Joseph McGrath

Director

Ted Key

Novel

Michael Pertwee

Screenplay

Charles Isaacs

Screenstory

Edwin Astley

Original Music Composer