Christopher Lee as Philippe Darvas

Julian Glover as Charles Marquis

Lelia Goldoni as Dani Gireaux

Jenny Till as Nicole Chapelle

Evelyn Laye as Madame Angelique

Ivor Dean as Inspector Micheaud

Joseph Fürst as Karl Schiller

Betty Woolfe as Colette

Leslie Handford as Joseph

Fraser Kerr as Pierre

Dilys Watling as Heidi

Steve Plytas as Andre, Patron of Cafe

Miki Iveria as Patron's Wife

Terence Soall as Ferdi

Ester Anderson as La Poule (as Esther Anderson)

Peter Cleall as Jean (as Peter Cleoll)

Suzanne Owens-Duval as Girl On Scooter (as Suzanne Owens)

Julie Mendez as Belly Dancer

Lita Scott as Voodoo Dancer

Evrol Puckerin as Voodoo Dancer

Jack Armstrong as Theatre de Mort Audience Member (uncredited)

Harold Coyne as Performer Backstage (uncredited)

Arthur Goodman as Theatre de Mort Audience at Bar (uncredited)

Ron Gregory as Theatre de Mort Audience Member (uncredited)

Fred Machon as Theatre de Mort Audience (uncredited)

Jack Mandeville as Theatre Troupe Member (uncredited)

Tony Mendleson as Theatre de Mort Audience Member (uncredited)

Tony O'Leary as Theatre de Mort Audience (uncredited)

Fred Stroud as Gendarme Backstage (uncredited)

Fred Wood as Audience Member (Far Right) (uncredited)