First broadcast 13th February 1975.<br /><br />Regan adopts a new identity as an ex-con and goes undercover as a truck driver to expose a hijacking ring.<br /><br /><br />John Thaw - Regan<br />Dennis Waterman - Carter<br />Garfield Morgan - Haskins<br />Stanley Meadows - Harry Poole<br />Susan Tracy - Fran<br />Tony Steedman - Andrew Barkis<br />Marjie Lawrence - Mrs. Harris<br />John Forgeham - Dennis Rawlins<br />Carl Rigg - Det. Sgt. Kent<br />Robert Russell - Arni<br />Jeremy Young - Wren<br />Terry Cowling - Kesey<br />William Moore - Det. Sergeant Bowyer<br />Mollie Maureen - The Old Woman<br />Tony Allen - Bill the Driver<br />Walter Henry - Detective<br />Lew Hooper - Policeman<br />Robin Scott - Photographer<br />Trevor Wedlock - Flying Squad Officer
