Bellman and True (1987)

Hiller, a computer expert, was bribed by group of bank robbers to obtain details of the security system at a newly-built bank. Having obtained the information, he thought he’d seen the last of the robbers. But now they’ve traced him and his son to London. They hold the son hostage and force Hiller to decode the information about the alarm and then to take part in the robbery.
Richard Loncraine
Bernard Hill, Derek Newark, Richard Hope, Ken Bones, Frances Tomelty, Kieran O’Brien, John Kavanagh, Arthur Whybrow, Peter Howell, Jim Dowdall, Kate McEnery, Anne Carroll, Richard Strange, Peter Jonfield, Andrew Paul, Richard Walsh, Camilla Nash, Badi Uzzaman, William Sleigh, Stephen Churchett, Michael Bertenshaw, Alisa Bosschaert, Alan Downer
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