 Women in the Night1948 · Major Eisel | Major Eisel |
 Golden Earrings1947 · Sergeant (uncredited) | Sergeant (uncredited) |
 Calcutta1946 · Tea Planter (uncredited) | Tea Planter (uncredited) |
 The Searching Wind1946 · Eppler | Eppler |
 A Night in Casablanca1946 · Kurt | Kurt |
 Address Unknown1944 · Bank Clerk (uncredited) | Bank Clerk (uncredited) |
 Calling Dr. Death1943 · Marion's Father (as Fred Gierman) | Marion's Father (as Fred Gierman) |
 The Cross of Lorraine1943 · Corporal Daxer | Corporal Daxer |
 Hostages1943 · Captain Patzer | Captain Patzer |
 Background to Danger1943 · Attaché (uncredited) | Attaché (uncredited) |
 Action in the North Atlantic1943 · German Submarine Captain (uncredited) | German Submarine Captain (uncredited) |
 Above Suspicion1943 · German Border Guard (Uncredited) | German Border Guard (Uncredited) |
 Five Graves to Cairo1943 · German Sergeant (uncredited) | German Sergeant (uncredited) |
 Plan for Destruction1943 · Nazi Radio Announcer | Nazi Radio Announcer |
 Edge of Darkness1943 · German Pilot (uncredited) | German Pilot (uncredited) |
 The Moon Is Down1943 · Sergeant (uncredited) | Sergeant (uncredited) |
 The Adventures of Smilin' Jack1943 · Schlesser, device expert [Chs. 10-11] | Schlesser, device expert [Chs. 10-11] |
 They Stooge to Conga1943 · U-Boat Commander (uncredited) | U-Boat Commander (uncredited) |
 The Great Impersonation1942 · Stamin | Stamin |
 Once Upon a Honeymoon1942 · German Getting Film from Le Blanc (uncredited) | German Getting Film from Le Blanc (uncredited) |
 Lucky Jordan1942 · Bulky Gardener | Bulky Gardener |
 Hitler- Dead or Alive1942 · Meyer | Meyer |
 Destination Unknown1942 · Van Hoven | Van Hoven |
 Unseen Enemy1942 · Franz Mueller, as Frederick Gierman | Franz Mueller, as Frederick Gierman |
 Sergeant York1941 · German Lieutenant (uncredited) | German Lieutenant (uncredited) |
 The Deadly Game1941 · Carl Nash | Carl Nash |
 Underground1941 · Radioman | Radioman |
 So Ends Our Night1941 · Doctor (uncredited) | Doctor (uncredited) |
 Escape1940 · Porter (uncredited) | Porter (uncredited) |
 Calling Philo Vance1940 · Austrian Sergeant (uncredited) | Austrian Sergeant (uncredited) |
 British Intelligence1939 · Otto Kurtz | Otto Kurtz |
 Hitler: Beast of Berlin1939 · Father Pommer | Father Pommer |
 Espionage Agent1939 · German Officer on Train | German Officer on Train |
 Confessions of a Nazi Spy1939 · German-American at Bund Meeting (uncredited) | German-American at Bund Meeting (uncredited) |
