Gregory Peck (Harry Street),
Ava Gardner (Cynthia Green),
Susan Hayward (Helen Street),
Leo G. Carroll (Uncle Bill Swift),
Richard Allan (Spanish Dancer),
Sugarfoot Anderson ((uncredited)),
Salvador Baguez (Stretcher Bearer (uncredited)),
Charles Bates (Harry at Seventeen (uncredited)),
Maurice Brierre (Waiter (uncredited)),
Leonard Carey (Dr. Edmund Simmons (uncredited)),
Marcel Dalio (Emile),
Vicente Gómez (Gitarrist),
Hildegard Knef (Countess Liz),
Ava Norring (Beatrice),
Helene Stanley (Connie),
Torin Thatcher (Johnson), Charles Brunner (Guest (uncredited)), Nina Borget (Girl (uncredited)), Amanda Ambrose (Pianist (uncredited)), Arthur Brunner (Accordion Player (uncredited))