Richard Egan
Ken Jorgenson

Dorothy McGuire
Sylvia Hunter

Sandra Dee
Molly Jorgenson

Arthur Kennedy
Bart Hunter

Troy Donahue
Johnny Hunter

Beulah Bondi
Mrs. Emily Hamilton Hamble

Constance Ford
Helen Jorgenson

Jack Richardson
Claude Andrews

Martin Eric
Todd Harper

Todd Harper

Eleanor Audley
Waiting Guest at Molly's College (uncredited)

Marshall Bradford
Dr. Matthias (uncredited)

Phil Chambers
Sheriff (uncredited)

Joe Connors
Driver (uncredited)

Peter Constanti
Captain of Yacht (uncredited)

Richard Deacon
Pawnbroker (uncredited)

Ann Doran
Mrs. Talbert (uncredited)

Gertrude Flynn
Helen's Mother (uncredited)

Bonnie Franklin
Girl in Dormitory (uncredited)

Everett Glass
Dean (uncredited)

Robert Griffin
Engelhardt (uncredited)