Are John Paddy Carstairs and Robert Hamer both film directors?
Robert Hamer Robert James Hamer (31 March 1911, Kidderminster, Worcestershire – 4 December 1963, London) was a British film director and screenwriter.
Stu Hamer Stuart Hamer (born 1934) is a British jazz trumpeter. Following an illness in the late 1980s, he switched to the piano and concentrated on composition.