First broadcast 25th April 1973.
Haggerty's father is beaten into a coma in the latest of a series of attacks on travellers.
George Sewell ... Detective Chief Inspector Alan Craven
Patrick Mower ... Detective Chief Inspector Tom Haggerty
Roger Rowland ... Detective Sergeant Bill North
Richard Butler ... Commander Nicholls
Sheila Scott Wilkinson ... Pam Sloane
Bob Keegan ... Mr. Haggerty Snr.
Richard Vernon ... Townsend
John Plume ... Bernard Phillips
George Moon ... Proprietor
Maria O'Brien ... Helen
Ron Pember ... Charlie King
Rod Beacham
Roger Avon ... Receptionist
Angus MacKay ... Club Secretary
John Owens
Lewis Alexander ... Gentleman's Club Member
