Are John Paddy Carstairs and Robert Hamer both film directors?
John Paddy Carstairs John Paddy Carstairs (born John Keys, 11 May 1910 in London – 12 December 1970 in London) was a prolific British film director (1933–62) and television director (1962–64), usually of light-hearted subject matter. He was also a comic novelist and painter.
John Collin (actor) John Collin (18 October 1928 – 25 February 1987) was a British actor frequently seen on UK television during the 1960s and 1970s, mainly in supporting roles. Collin's best-known role was as Detective Sergeant Haggar in the long running BBC police series "Z-Cars". Another notable role was as Guardian officer Tom Weston in the 1971 ITV political fantasy "The Guardians".