Leon M. Lion

1919

• [ ] The Chinese Puzzle (Marquis Li Chung) 

1931

• [ ] Chin Chin Chinaman (The Mandarin) 

1932

• [ ] Number Seventeen (Ben) 
• [ ] The Chinese Puzzle (Marquis Li Chung) 

1934

• [ ] Lady in Danger (Dittling) 

1936

• [ ] The Amazing Quest of Ernest Bliss (Dorrington) 

1938

• [ ] Crackerjack (Hambro Golding) 
• [ ] Strange Boarders (Luke) 

1919

• [ ] The Chinese Puzzle (Theatre Play) 

1922

• [ ] Dicky Monteith (Screenplay) 

1931

• [ ] Many Waters (Theatre Play) 

1932

• [ ] The Chinese Puzzle (Theatre Play) 

1932

• [ ] Number Seventeen (Producer)