Christopher Lee
Grigori Rasputin
Barbara Shelley
Sonia
Richard Pasco
Dr. Zargo
Francis Matthews
Ivan
Suzan Farmer
Vanessa
Dinsdale Landen
Peter
Renée Asherson
Tsarina
Derek Francis
Innkeeper
Joss Ackland
The Bishop
R
Robert Duncan
Tsarvitch
Alan Tilvern
Patron
John Welsh
The Abbot
John Bailey
The Physician
Prudence Hyman
Chatty Woman (uncredited)
Lucy Fleming
Wide Eyes (uncredited)
Michael Ripper
Waggoner (voice) (uncredited)
M
Michael Godfrey
Doctor (uncredited)
Bryan Marshall
Vasily (uncredited)
M
Maggie Wright
Second Tart (uncredited)
Cyril Shaps
Foxy Face (uncredited)
Brian Wilde
Vassily's Father (uncredited)