Phyllis Thaxter
— Gladys Mitchell
Robert Keith
— Dr. Garson Lee
Walter Matthau
— Dr. Spinelli
Patricia Bruder
— Barbara Mitchell
Patty McCormack
— Ginny Mitchell
Audrey Christie
— Mrs. Moore
William Kemp
— Jim Turner
Elizabeth Ross
— Mrs. Harvey
Daniel Reed
— Mr. Flood
Virginia Gerry
— Nancy
John Charles Daly
— Conelrad Announcer