Leon Janney

1927

• [ ] Quality Street (Student (uncredited)) 

1928

• [ ] The Wind (Cora's Child) 
• [ ] The Elephant's Elbows (Johnny Smith) 
• [ ] Comrades (Perry O'Toole as a Boy) 

1929

• [ ] The Younger Generation (Eddie Lesser as a Boy) 
• [ ] The Four Feathers (Child in Prologue (uncredited)) 

1930

• [ ] The Doorway to Hell (Jackie Lamarr) 
• [ ] Old English (Jock) 
• [ ] Bear Shooters (Donald 'Spud') 
• [ ] An Intimate Dinner in Celebration of Warner Bros. Silver Jubilee (Self) 
• [ ] Los cazadores de osos (Pancho) 

1931

• [ ] Penrod and Sam (Penrod Schofield) 
• [ ] Their Mad Moment (Narcio) 
• [ ] Father's Son (Bill Emory) 
• [ ] The Costume Falls (????) 

1932

• [ ] Police Court (Nathaniel "Junior" Barry Jr.) 

1933

• [ ] The Big Benefit (Self) 

1940

• [ ] Stolen Paradise (Richard 'Dick' Gordon) 

1959

• [ ] The Last Mile (Pat Callahan) 

1968

• [ ] Charly (Dr. Richard Nemur) 

1970

• [ ] How Did a Nice Girl Like You Get Into This Business? (Mr. McCarthy)