Maria and Karl Lang are the singing duo of Vienna. Maria is very flirtatious and Karl very jealous. Karl decides to masquerade as a Russian guardsman and attempts to make Maria flirt with him - to test her loyalty to him - as the Russian, Karl makes a vigorous attempt to seduce Maria. For a moment she accepts then rejects. Karl is left in turmoil...
as Karl Lang
as Maria Lanyi
as Bernard Fischer
as Madame Helene
as Magda
as Performer in Gypsy Cafe Sequence
as Liesel - Maid
as Anton
as Klementov
as Singer - 'Seek the Spy' Sequence
as Emile, Voice Coach
as Waiter at the Double Eagle
as Messenger with Note
as Solo Bit in 'Thank the Lord the War is Over' Number
as Performer in Gypsy Café Sequence
as Solo Bit in 'Thank the Lord the War is Over' Number
as Stage Manager
as Flute Player
as Child Singer in 'Seek the Spy' Sequence
as Autograph Seeker
as Autograph Seeker
as Restaurant Patron
