Born in New York City. Ex-vaudeville comedian who entered American film as an actor (Joe Basil) in BRINGING UP FATHER (1915) for Vitagraph. He continued acting in silent comedies for the next ten years, and started as an assistant director in 1919. By 1924, he was producing and directing comedy shorts with co-director Percy Pembroke at Rock-Standard Cinema for distribution by Selznick. During the 1930s, he moved to the UK and produced a number of comedies and dramas before World War II (STRICTLY ILLEGAL, 1935; EVERYTHING IS RHYTHM and BOYS WILL BE GIRLS, both 1936; Michael Powell's THE EDGE OF THE WORLD, 1937; COTTON QUEEN, also 1937). His last project was back in the US producing the documentary MAU-MAU (1950) for his Rock-Rice Productions. Visit the Internet Movie Database to view Rock's extensive acting, producing, directing and writing credits.  Short Subject (Novelty) 1932-33: KRAKATOA, producer 1 nomination, 1 Award