Charles Frend directed and Janet Green and Robert Barr wrote The Long Arm, which features Jack Hawkins, John Stratton, Dorothy Alison, and Michael Brooke. Gerard Schurmann composed the music, and Gordon Dines was in charge of cinematography. Detective-Superintendent Tom Halliday, portrayed by Hawkins, leads an inquiry into a series of safe robberies that then develops into a murder case. Coming from Ealing Stud…