Broadcast on BBC Television on 25 February 1961, from 9pm.
Producer: John Warrington.
Director: William Fox.
Designer: Tim Harvey.
Cast: John Wilding (A boy), Gillian Cobbold (A girl), Donald Morley (Smith), Geoffrey Lumsden (Jones), Emrys Jones (Courier 326), Denis Goacher (Courier 35), Andrew Rank (Courier 210), Arnold Ridley (Minister), Lee Richardson (A man), Delia Paton (A woman), Terry Scully (Michael Sorrell), Lesley Nunnerley (Jane Lome), Michael Bilton (A plumber), Steve Plytas (Alfred Berling), Robert Weedon (A clerk), Beth Rogan (Sandra Morris), and Peter Gray (John Hamilton).
