Louis Adlon
Acting
Acting
The Big Show-Off
Leopold Muckenfuss
Resisting Enemy Interrogation
Maj. Franz Kohmer
Sahara
Soldier (uncredited)
First Comes Courage
Nazi lieutenant
Action in the North Atlantic
German Ensign (uncredited)
Hangmen Also Die!
Adjutant (uncredited)
Iceland
Valtyr Olafson (as Duke Adlon)
Eagle Squadron
German Sergeant
My Favorite Spy
Herman
The Chocolate Soldier
Underground
Karl
Mystery Sea Raider
Lerner
A Dispatch from Reuters
Clerk (uncredited)
The Lady in Question
First Court Clerk (uncredited)
Dr. Ehrlich's Magic Bullet
Hospital Attendant
Espionage Agent
Youth
The Hunchback of Notre Dame
Venus (uncredited)
Confessions of a Nazi Spy
Nazi American Youth Leader (uncredited)
The Ice Follies of 1939
Dress Designer (uncredited)