Un médico trata a una mujer que sufre un desorden de múltiple personalidad.
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)
