

Confessions of a Vice Baron(1943)
Lucky Lombardi aka Count de Hoven / Van Hersten / Kilonis

You Can't Beat the Law(1943)
Rico

Du Barry Was a Lady(1943)
Flunky (uncredited)

The Dawn Express(1942)
Otto

Bowery at Midnight(1942)
Jeweler (uncredited)

The Panther's Claw(1942)
John Martin George (as William Castello)

Road to Happiness(1941)
Party Guest (uncredited)

You're Out of Luck(1941)
Johnny Burke

Mad Youth(1940)
Count DeHoven

Chasing Trouble(1940)
Kurt

Drums of the Desert(1940)
Addullah (as William Castello)

Foreign Correspondent(1940)
Krug's Henchman at Windmill (uncredited)

Phantom of Chinatown(1940)
Jonas

Mystery Sea Raider(1940)
Radio Operator

Hidden Enemy(1940)
Eric Bowman

Balalaika(1939)
Capt. Testoff

Wanted by the Police(1938)
Russo

Port of Missing Girls(1938)
Manuel

The Wages of Sin(1938)
Tony Kilonis

Race Suicide(1938)
Rudolf von Hertsen

Heroes of the Alamo(1937)
General Cos

Young Dynamite(1937)
Flash Slavin

Smashing the Vice Trust(1937)
James 'Lucky' Lombardi

Special Agent K-7(1936)
Eddie Geller

Melody Trail(1935)
Gypsy Frantz

The Great Impersonation(1935)
Duval (uncredited)

3 Kids and a Queen(1935)
Gangster

The Tars(1934)
Dries

Sailor's Song(1932)

Border Romance(1929)
Lieutenant of Rurales

The King of Kings(1927)
Babylonian Noble