Sidney Mason
- Compleanno:
- 01/01/1886
- Luogo di nascita:
- Paterson - New Jersey - USA:
 | Blackjack Ketchum Desperado (1956) Matt Riordan |
 | A Modern Salome (1921) Robert Monti |
 | The Good-Bad Wife (1920) William Carter |
 | The Trap (1919) The Broker Husband |
 | A Fallen Idol (1919) Keith Parrish |
 | The Prussian Cur (1918) Dick Gregory |
 | Moral Suicide (1918) Rodman Daniels |
 | The Forbidden Path (1918) Felix Benavente |
 | The Painted Madonna (1917) Milton Taylor |
 | The Little Terror (1917) |
 | The Peddler (1917) Sammy |
 | Little Miss Nobody (1917) |
 | Susan's Gentleman (1917) Tom Neville (as Sydney Mason) |
 | The Boy Girl (1917) Bob Ridgeway |
 | The Honor of Mary Blake (1916) |
 | Feathertop (1916) Ward Roberts |
 | I Accuse (1916) Harold Landman (NYDM) |
 | John Glayde's Honor (1915) |
 | The Seven Sisters (1915) Sandorffy |
 | The Builder of Bridges (1915) |
 | His Neighbor's Wife (1913) Mr. Norton |