Sir Julian Markham
Vincent Price
Dr. J. Neuhartt
Christopher Lee
N'Galo
Harry Baird
Weller
Godfrey James
Holt
James Mellor
Franklin
John Barrie
Hawthorne
Ivor Dean
Witchdoctor
Danny Daniels
Ruddock
Michael Balfour
Martha
Hira Talfrey
Parson
John Wentworth
Mrs. Hopkins
Betty Woolfe
Joshua Kemp
Rupert Davies
Doctor (uncredited)
Colin Jeavons
Constable (uncredited)
Martin Wyldeck
Dr. Neuhartt's Patient (uncredited)
Barbara Kellerman
Sailor (uncredited)
Martin Terry
Prostitute (uncredited)
Anne Clune
Jackie Noble
Ann Barrass
Jan Rossini
Trench's Girl (uncredited)
Zeph Gladstone
Gypsy Dancer (uncredited)
Tara Fernando
Heidi
Uta Levka
Man in Tavern (uncredited)
Tony Thawnton
Talbot (uncredited)
Anthony Bailey
Groom (uncredited)
Richard Cornish
Baron (uncredited)
Andreas Malandrinos
Major (uncredited)
Hedger Wallace
Fighting Man in Tavern (uncredited)
Bill Cummings
Sir Julian (uncredited)
Victor Harrington
Arthur Howell
Eddie Powell
Young Man in Tavern (uncredited)
Nick Tate
Sally Baxter
Sally Geeson
Drunk (uncredited)
Reg Thomason
Barman (uncredited)
Harold Coyne
Tavern Reveller (uncredited)
Ina Clare
Molester in Tavern (uncredited)
Sean Barry-Weske
Sir Edward Markham
Alister Williamson
Samuel Trench
Peter Arne
Lady Elizabeth Markham
Hilary Dwyer
Hackett
Maxwell Shaw
Norton
Carl Rigg
Director
Gordon Hessler
Producer
Short Story
Edgar Allan Poe
Screenplay
Lawrence Huntington
Dialogue
Christopher Wicking
Executive Producer
Louis M. Heyward
Director of Photography
John Coquillon
Original Music Composer
Harry Robertson
Associate Producer
Pat Green
Editor
Max Benedict
Art Direction
George Provis
Makeup Artist
Jimmy Evans
Hairdresser
Bobbie Smith