He caused the death of a fellow student while a freshman at Yale University in 1901, which may have been the reason for a young woman being banned by her grandmother from marrying him.
[2] Prior to achieving fame in silent film, he owned several racehorses and was a champion jockey.
[6][7] About the same time, Oliver Barnes, a wealthy friend from Reno, Nevada, took Sedley under his wing and assisted his transition into the film industry.
Having a slight build, he was not given to portrayals of physical conflict,[10] but in at least one instance (in Straight is the Way, 1921) his fight scene was highlighted in a review.
[12] His early film roles included The Daredevil, Thunderbolts of Fate, and The Kaiser's Bride.