Riven

Robert Culp

as William Sebastian

Gig Young

as Dr. Ham Hamilton

John Hurt

as Mitri Cyon

Gordon Jackson

as Inspector Cabell

Ann Bell

as Anitra Cyon

James Villiers

as Sir Geoffrey Cyon

Majel Barrett

as Lilith

Jenny Runacre

as Sydna

Angela Grant

as Butler

Penny Irving

as First Maid

Vicki Michelle

as Second Maid

Lindy Benson

as Third Maid

Sally Farmiloe

as Fourth Maid

Michael Latimer

as Co-Pilot

Clive Donner

Director

Gene Roddenberry

Screenplay

Gene Roddenberry

Story

Samuel A. Peeples

Screenplay

Gordon Scott

Producer

Gene Roddenberry

Executive Producer

Danny Steinmann

Associate Producer

John Cameron

Original Music Composer

Arthur Ibbetson

Director of Photography

Peter Tanner

Editor

Albert Witherick

Art Direction