Nelson Eddy

Karl Lang

Nigel Bruce

Bernard Fischer

Florence Bates

Madame Helene

Nydia Westman

Liesel - Maid

Max Barwyn

Anton

Charles Judels

Klementov

Louis Adlon

Sig Arno

Emile, Voice Coach

Leon Belasco

Waiter at the Double Eagle

Maurice Cass

Flute Player

Peggy Drake

Yvette Duguay

Child Singer in 'Seek the Spy' Sequence

Betty Jane Graham

Autograph Seeker

Dorothy Morris

Autograph Seeker

Eric Mayne

Restaurant Patron