Michael Gough

Character: Alexander Yorke

Martin Potter

Character: Stephen Yorke

Candace Glendenning

Character: Catherine Yorke

Barbara Kellerman

Character: Frances

Michael Craze

Character: John

Gloria Maley

Character: Janice

James Bree

Character: Malcolm Yorke

Celia Hewitt

Character: Elizabeth Yorke

David McGillivray

Character: Priest

Monika Ringwald

Character: Camilla (uncredited)

Sandy Bailey

Character: Camilla Yorke (uncredited)

Robert Conway

Character: Puritan with Whip (uncredited)

Richard Crafter

Character: Mad Monk 2 (uncredited)

Nick Maley

Character: Mad Monk 1 (uncredited)

Paula Patterson

Character: Woman Disemboweled by Stephen (uncredited)

Moira Young

Character: Alexander's Wife in Prologue (uncredited)