 There in 1912 he met actor Edgar Kennedy, who took him to see Mack Sennett, the head of Keystone Studios in Edendale.Sennett immediately hired him for $3.50 per day to perform in bit parts, his first being in the role of a "Keystone Kop" in the short "Hoffmeyer's Legacy".Tall and gangly, Summerville used his physical appearance to great effect in many comedies during both the silent and sound eras.