Best remembered for his roles in two classic Buster Keaton farces, The Navigator (1924), as the girl's father, and The General (1927), as the Southern general, veteran Canadian supporting actor came to Broadway with Barrett and Booth in Shakespearean repertory in 1885 but then left the stage five years later to become a prospector in Alaska. By 1910, he was functioning as stage manager for the pioneering Thanhouser film company, later heading the company's West Coast troupe from 1913 to 1914. Vroom's screen-acting career began around 1912 and would continue through the mid-'30s. He died of a heart attack in his Hollywood home.