Beverly Garland
Joyce Webster, aka Jane Marvin
Acting
Bruce Bennett
Dr. Eric Lorimer
Acting
Lon Chaney Jr.
Manon
Acting
George Macready
Dr. Mark Sinclair
Acting
Frieda Inescort
Mrs. Lavinia Hawthorne
Acting
Richard Crane
Paul Webster
Acting
Douglas Kennedy
Dr. Wayne McGregor
Acting
Bill Bradley
Patient 'Number Six' (uncredited)
Acting
Hal K. Dawson
Conductor
Acting
Dudley Dickerson
Porter
Acting
John Frederick
1st Male Nurse (uncredited)
Acting
Ruby Goodwin
Louann
Acting
Ken Kane
Third Male Nurse (uncredited)
Acting
Boyd Stockman
Alligator-headed Paul
Acting
Vince Townsend Jr.
Toby
Acting
Lee Warren
2nd Male Nurse (uncredited)
Acting