CALLAN (UK, 1974) ***½ Distributor: EMI Distribution; Production Company: Magnum Films / Syn-Frank Enterprises; Release Date: 23 May 1974; Filming Dates: began 29 October 1973; Running Time: 106m; Colour: Eastmancolor; Sound Mix: Dolby (Dolby System®) | Mono (RCA Sound System); Film Format: 35mm; Film Process: Spherical; Aspect Ratio: 1.37:1; BBFC Cert: 15….