Vincent Price
as Dr. Warren Chapin
Darryl Hickman
as David Morris
Judith Evelyn
as Martha Higgins
Patricia Cutts
as Isabel Stevens Chapin
Pamela Lincoln
as Lucy Stevens
Philip Coolidge
as Oliver "Ollie" Higgins
Gail Bonney
as Member of Silent Movie Audience (uncredited)
Pat Colby
as Member of Silent Movie Audience (uncredited)