
Actor
Robert Middlemass
13 credited titles on WatchWise
Robert Middlemass (3 September 1883, New Britain, Connecticut – 10 September 1949, Los Angeles, California) was an American playwright and stage actor, and later character actor with over 100 film appearances. usually playing detectives or policemen. Middlemass graduated from Harvard University in 1909 and initially went into the insurance business, but soon went on the stage, joining the Castle Square Theatre stock company in Boston. He debuted on Broadway in September 1914 in The Bludgeon at the Maxine Elliott Theatre. His best known play was a one-act melodrama written with Holworthy Hall (real name H. E. Porter, a college roommate) titled The Valiant, which was also made into a film of the same name in 1929, and as The Man Who Wouldn't Talk in 1940. The play became a favorite for amateur and local theater groups, and is still performed today. Middlemass moved to Los Angeles around 1935, and began appearing in films. He died there in 1949. From Wikipedia, the free encyclopedia.
Robert Middlemass in one minute
Commercial performance
All figures are associated, not attributed — box-office numbers are sourced from TMDB and Wikipedia (reused under CC BY-SA), shown in US$, and weighted by billing prominence. Coverage varies by title; figures are estimates, not audited trade data.
What drives the index
3.3x return · 70% of films profitable · little recent work. Weighted toward recent releases (a film counts half as much every 6 years) and toward titles they actually carried.
Acted in (13)
Titles are ones WatchWise has catalogued so far — not necessarily a complete filmography.












