Frederick Giermann
 | Women in the Night (1948) Major Eisel |
 | Calcutta (1946) Tea Planter (uncredited) |
 | The Searching Wind (1946) Eppler |
 | A Night in Casablanca (1946) Kurt |
 | Address Unknown (1944) Bank Clerk (uncredited) |
 | Calling Dr. Death (1943) Marion's Father (as Fred Gierman) |
 | Hostages (1943) Captain Patzer |
 | Background to Danger (1943) Attaché |
 | Action in the North Atlantic (1943) German Submarine Captain (uncredited) |
 | Above Suspicion (1943) German Border Guard (Uncredited) |
 | Five Graves to Cairo (1943) German Sergeant (uncredited) |
 | Plan for Destruction (1943) Nazi Radio Announcer |
 | Edge of Darkness (1943) German Pilot (uncredited) |
 | The Moon Is Down (1943) Sergeant (uncredited) |
 | The Adventures of Smilin' Jack (1943) Schlesser, device expert [Chs. 10-11] |
 | They Stooge to Conga (1943) U-Boat Commander (uncredited) |
 | The Great Impersonation (1942) Stamin |
 | Once Upon a Honeymoon (1942) German Getting Film from Le Blanc (uncredited) |
 | Lucky Jordan (1942) Bulky Gardener |
 | Hitler- Dead or Alive (1942) Meyer |
 | Destination Unknown (1942) Van Hoven |
 | Unseen Enemy (1942) Franz Mueller, as Frederick Gierman |
 | Sergeant York (1941) German Lieutenant (uncredited) |
 | The Deadly Game (1941) Carl Nash |
 | Underground (1941) Radioman |
 | So Ends Our Night (1941) Doctor (uncredited) |
 | Escape (1940) Porter (uncredited) |
 | Calling Philo Vance (1940) Austrian Sergeant (uncredited) |
 | British Intelligence (1939) Otto Kurtz |
 | Hitler: Beast of Berlin (1939) Father Pommer |
 | Espionage Agent (1939) German Officer on Train |
 | Confessions of a Nazi Spy (1939) German-American at Bund Meeting (uncredited) |