Christopher Lee

Character: Lord George Jeffreys

Maria Schell

Character: Mother Rosa

Leo Genn

Character: Lord Wessex

Hans Hass Jr.

Character: Harry Selton

Maria Rohm

Character: Mary Gray

Margaret Lee

Character: Alicia Gray

Pietro Martellanza

Character: Barnaby (as Peter Martell)

Howard Vernon

Character: Jack Ketch

Milo Quesada

Character: Satchel

Werner Abrolat

Character: Inquisitor Matt (uncredited)

Diana Lorys

Character: Sally Gaunt (uncredited)

José Martínez Blanco

Character: Steven Truro (uncredited)

José María Prada

Character: Palafox (uncredited)

Vicente Roca

Character: Chief Prosecutor (uncredited)