 Nelson EddyKarl Lang | Karl Lang |
 Risë StevensMaria Lanyi | Maria Lanyi |
 Nigel BruceBernard Fischer | Bernard Fischer |
 Florence BatesMadame Helene | Madame Helene |
| DDorothy RayeMagda | Magda |
| PPaul GodkinPerformer in Gypsy Cafe Sequence | Performer in Gypsy Cafe Sequence |
 Nydia WestmanLiesel - Maid | Liesel - Maid |
 Max BarwynAnton | Anton |
 Charles JudelsKlementov | Klementov |
 Louis AdlonNot listed | Not listed |
| JJimmy AlexanderSinger - 'Seek the Spy' Sequence | Singer - 'Seek the Spy' Sequence |
 Sig ArnoEmile, Voice Coach | Emile, Voice Coach |
 Leon BelascoWaiter at the Double Eagle | Waiter at the Double Eagle |
| GGeorge BookastaMessenger with Note | Messenger with Note |
| RRobert BradfordSolo Bit in 'Thank the Lord the War is Over' Number | Solo Bit in 'Thank the Lord the War is Over' Number |
| LLee BrentPerformer in Gypsy Café Sequence | Performer in Gypsy Café Sequence |
| LLorraine BridgesSolo Bit in 'Thank the Lord the War is Over' Number | Solo Bit in 'Thank the Lord the War is Over' Number |
| JJames B. CarsonStage Manager | Stage Manager |
 Maurice CassFlute Player | Flute Player |
| PPeggy DrakeNot listed | Not listed |
 Yvette DuguayChild Singer in 'Seek the Spy' Sequence | Child Singer in 'Seek the Spy' Sequence |
 Betty Jane GrahamAutograph Seeker | Autograph Seeker |
 Dorothy MorrisAutograph Seeker | Autograph Seeker |
 Eric MayneRestaurant Patron | Restaurant Patron |
