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

Robert Duncan

Tsarvitch

Alan Tilvern

Patron

John Welsh

The Abbot

John Bailey

The Physician

Prudence Hyman

Chatty Woman (uncredited)

Lucy Fleming

Wide Eyes (uncredited)

Don Sharp