John Collin (18 October 1928-25 February 1987[1]) played Brock in the Doctor Who television story The Leisure Hive.
- You may be looking for John D. Collins.
He was best known for playing Detective Sergeant Haggar on Z-Cars from 1971-78.
John Collin (18 October 1928-25 February 1987[1]) played Brock in the Doctor Who television story The Leisure Hive.
He was best known for playing Detective Sergeant Haggar on Z-Cars from 1971-78.