Alan Gregg

Bilinen yapımları

• A Volta do Besouro Verde (1940)
• Mysterious Doctor Satan (1940)
• Zorro's Fighting Legion (1939)
• Drums of Fu Manchu (1940)
• Tim Tyler's Luck (1937)
• King of the Royal Mounted (1940)
• The Fighting Devil Dogs (1938)
• The Devil's Saddle Legion (1937)
• Dick Tracy Returns (1938)
• King of the Texas Rangers (1941)