First broadcast 3rd November 1975. <br /><br />Australian villains Colin MacGruder and Ray Stackpole return to London and steal a bus, posing as its crew. <br /><br /><br />John Thaw - Regan <br />Dennis Waterman - Carter <br />Garfield Morgan - Haskins <br />Patrick Mower - Colin McGruder <br />George Layton - Ray Stackpole <br />Lynda Bellingham - Nancy King <br />Robert Dorning - Leonard Geisler <br />Frederick Jaeger - Goldman <br />Leslie Dwyer - Ted Greenhead <br />Carol MacReady - Kath <br />Roger Sloman - Cosby <br />Frederick Schiller - Austrian Tourist <br />Gillian Duxbury - Goldman's Girlfriend <br />Tony Allen - Bill the Driver <br />Maxwell Craig - Detective <br />Laurie Goode - Supermarket Manager <br />Aidan Harrington - Detective <br />Tony O'Leary - Police Constable <br />Mike Reynell - Squad Officer <br />Esme Smythe - Woman on Tour Boat
