Countdown to Disaster

Dirigida por: David Elliott, David Lane, Desmond Saunders

Reparto principal: Sylvia Anderson (Lady Penelope Creighton-Ward) · Ray Barrett (John Tracy / USS, Sentinel Commander / Policeman - Site Control) · Peter Dyneley (Jeff Tracy / World Navy Commander) · Christine Finn (Tin-Tin Kyrano) · David Graham (Gordon Tracy / Parker / Brains)