Atuação

• 1927
  Rei dos Reiscomo Babylonian Noble
• 1929
  Border Romancecomo Lieutenant of Rurales
• 1932
  Le Chant du marin
• 1934
  De Jantjescomo Dries
• 1935
  The Great Impersonationcomo Duval (sem créditos)Melody Trailcomo Gypsy Frantz3 Kids and a Queencomo Gangster
• 1936
  Special Agent K-7como Eddie Geller
• 1937
  Young Dynamitecomo Flash SlavinHeroes of the Alamocomo General CosSmashing the Vice Trustcomo James 'Lucky' Lombardi
• 1938
  Wanted by the Policecomo RussoThe Wages of Sincomo Tony KilonisPort of Missing Girlscomo ManuelRace Suicidecomo Rudolf von Hertsen
• 1939
  Balalaikacomo Capt. Testoff
• 1940
  Phantom of Chinatowncomo JonasMystery Sea Raidercomo Radio OperatorDrums of the Desertcomo Addullah (as William Castello)Correspondente Estrangeirocomo Krug's Henchman at Windmill (sem créditos)Mad Youthcomo Count DeHovenChasing Troublecomo KurtHidden Enemycomo Eric Bowman
• 1941
  Road to Happinesscomo Party Guest (sem créditos)You're Out of Luckcomo Johnny Burke
• 1942
  Bowery at Midnightcomo Jeweler (sem créditos)The Dawn Expresscomo OttoThe Panther's Clawcomo John Martin George (as William Castello)
• 1943
  Du Barry Era um Pedaçocomo FlunkyConfessions of a Vice Baroncomo Lucky Lombardi aka Count de Hoven / Van Hersten / KilonisYou Can't Beat the Lawcomo Rico