John Warburton's acting talents were showcased on the big screen many times throughout the course of his career. Warburton kickstarted his acting career in various films such as the Reginald Owen mystery "A Study in Scarlet" (1933), the dramatic adaptation "Cavalcade" (1933) with Diana Wynyard and the mystery "Charlie Chan's Greatest Case" (1933) with Warner Oland. He also appeared in "Captain Fury" (1939) and the Irene Dunne drama "The White Cliffs of Dover" (1944). He continued to work steadily in film throughout the forties and the fifties, appearing in "Confidential Agent" (1945) with Charles Boyer, the comedy "Nothing But Trouble" (1945) with Stan Laurel and "Saratoga Trunk" (1946) with Gary Cooper. He also appeared in the Johnny Weissmuller adventure "Tarzan and the Huntress" (1947) and "City Beneath the Sea" (1953). During the latter half of his career, he tackled roles in the Jeff Chandler adventure "East of Sumatra" (1953), the dramatic adaptation "King Rat" (1965) with George Segal and "Assault on a Queen" (1966). He held additional roles in television including a part on "Star Trek" (1966-69). Warburton last acted in the romantic comedy "Easy Virtue" (2009) with Jessica Biel.