Riven

Dermot Walsh

as Steve Curry

Rona Anderson

as Helen Grant

Ronald Howard

as Robert Grant

Sam Kydd

as Tim Bowers

Howard Lang

as Greeko

Edwin Richfield

as Teacher

Arnold Diamond

as Zacki

Trevor Reid

as Fraser

Richard Shaw

as Joe

Tom Clegg

as Vince (as Tommy Clegg)

Jessica Cairns

as Julie

Frank Hawkins

as Inspector Ryan

Jack Taylor

as Sgt. Peters

Angela Krefeld

as Bar Hostess

Reggie de Beer

as Hotel Guest

Ernest Blyth

as Man in Airport Lounge (uncredited)

Robert Gregory

as Hotel Guest (uncredited)

Mary Maxfield

as Hotel Guest (uncredited)

Derek Prentice

as Scientist (uncredited)

Robert Raikes

as Hotel receptionist (uncredited)

Pat Ryan

as Airport Traveler (uncredited)

Fred Stroud

as Airport Lounge Attendant (uncredited)

Peter Graham Scott

Director

Francis Edge

Producer

Kenneth R. Hayles

Screenplay

Kenneth R. Hayles

Story

John Temple-Smith

Producer

Bert Ross

Sound Recordist

Norman G. Arnold

Art Direction

Roger Good

Assistant Director

Peter Musgrave

Sound Editor

George Frost

Makeup Artist

Polly Young

Hairstylist

Ray Terry

Original Music Composer

Richard Sidwell

Editor

Philip Martell

Music Director

Brendan J. Stafford

Director of Photography

Doreen Dearnaley

Continuity

John Cox

Sound Supervisor

Red Law

Sound Recordist

Roy Parkinson

Production Manager