A doctor treats a woman suffering from multiple personality disorder.
Joanne Woodward
Eve White / Eve Black / Jane
David Wayne
Ralph White
Lee J. Cobb
Doctor Curtis Luther
Edwin Jerome
Doctor Francis Day
Alena Murray
Secretary
Nancy Kulp
Mrs. Black
Douglas Spencer
Mr. Black
Terry Ann Ross
Bonnie White
Ken Scott
Earl
Mimi Gibson
Eve (as a child)
Alistair Cooke
Himself (prologue narrator)
Mary Field
Effie, sales clerk
Vince Edwards
Army Sergeant (uncredited)
Effie Blanford (uncredited)
Richard Garrick
Mr. Fox (uncredited)
Helene Hatch
Landlady (uncredited)
Jimmie Horan
Man at Funeral (uncredited)
Catherine Howard
Switchboard Operator (uncredited)
Jason Johnson
Boy (uncredited)
Dick Johnstone
Frank Marlowe
Hotel Clerk (uncredited)
Wanda Perry
Nurse (uncredited)
Joe Rudán
Sailor (uncredited)
Gary Spencer
Bartender (uncredited)
Al Thompson
Rush Williams
Leonard - Hospital Orderly (uncredited)
