Donald O'Connor (Tim Donahue), Ethel Merman (Molly Donahue), Marilyn Monroe (Vicky), Mitzi Gaynor (Katy Donahue), Dan Dailey (Terence Donahue), Hugh O'Brian (Charles Gibbs), Frank McHugh (Eddie Duggan), Richard Eastham (Lew Harris), George Melford (Kelly), Johnnie Ray (Steve Donahue), Lee Patrick (Marge), Robin Raymond (Lillian Sawyer), Rhys Williams (Pfarrer Dineen), Alvy Moore (Katys Freund), Henry Slate (Choreograph), Mimi Gibson (Katy mit 4 Jahren)