Dial 999

John Bentley as Det. Sgt. Seagrave Michael Goodliffe as John Moffat Charles Victor as Tom Smithers Sydney Tafler as Alf Cressett Gene Nelson as Greg Carradine Mona Freeman as Terry Moffat Carradine Cyril Chamberlain as Anderson (murder victim) Kay Callard as Blonde at bar

Montgomery Tully Director, Writer Jim O'Connolly Production Manager