Boris Karloff
John Gray
Bela Lugosi
Joseph
Henry Daniell
Dr. Wolfe 'Toddy' MacFarlane
Edith Atwater
Meg Camden
Russell Wade
Donald Fettes
Rita Corday
Mrs. Marsh
Sharyn Moffett
Georgina Marsh
Donna Lee
Street Singer
Ted Billings
Townsman (uncredited)
Robert Clarke
Richardson a Medical Student (uncredited)
Robert Wise
Diretor