Screenwriter
Upton Sinclair
American writer (1878–1968)
Frequently worked with
- George Irving 2 films
- Victor Fleming 1 film
- Woodrow Wilson 1 film
- Walter Huston 1 film
- Myrna Loy 1 film
- Clara Blandick 1 film
- Dorothy Jordan 1 film
- Lewis Stone 1 film
- Emma Dunn 1 film
- Jimmy Durante 1 film
- Robert Young 1 film
- Cecil Cunningham 1 film
- Berton Churchill 1 film
- Neil Hamilton 1 film
- John Miljan 1 film
- John Lee Mahin 1 film
- Wallace Ford 1 film
- Edward LeSaint 1 film
- Clarence Muse 1 film
- Clarence Wilson 1 film
Films
- The Wet Parade 1932
- The Jungle 1914