William Jefferson
- Compleanno:
- 04/06/1876
- Luogo di nascita:
- London, England, UK:
 | The Stronger Love (1916) Undetermined Role |
 | His Wife's Mistakes (1916) Mr. I. Steele |
 | The Habit of Happiness (1916) Jones |
 | Bright Lights (1916) The City Slicker |
 | He Did and He Didn’t (1916) Jack, The Wife's Schoolmate |
 | Camille (1915) Gaston |
 | Dora Thorne (1915) Lord Airlie |
 | The Iron Master (1914) Claire's Brother |
 | The Power of the Press (1914) Antsey - Cub Reporter |
| | The Derelicts (1914) Driscoll |
| | Man's Enemy (1914) Fred Lisle - Grace's Brother |