Satan's Slave

Michael Gough

Alexander Yorke

Martin Potter

Stephen Yorke

Candace Glendenning

Catherine Yorke

Barbara Kellerman

Frances

Michael Craze

John

Gloria Maley

Janice

James Bree

Malcolm Yorke

Celia Hewitt

Elizabeth Yorke

David McGillivray

Priest

Monika Ringwald

Camilla (uncredited)

Sandy Bailey

Camilla Yorke (uncredited)

Robert Conway

Puritan with Whip (uncredited)

Richard Crafter

Mad Monk 2 (uncredited)

Nick Maley

Mad Monk 1 (uncredited)

Paula Patterson

Woman Disemboweled by Stephen (uncredited)

Moira Young

Alexander's Wife in Prologue (uncredited)