First broadcast 27th January 1978.

American senator John Jerry Patterson is assassinated in daylight in bogus roadworks in full view of other motorists.

Gordon Jackson - George Cowley
Martin Shaw - Doyle
Lewis Collins - Bodie
John Castle - Tommy, CI5 Agent
Rufus Collins - Tin Can
Ralph Michael - Estate Car Driver
Dorothy White - Mrs. Lewis
Thomas Baptiste - Huntley
Damien Thomas - Raider
Robert McBain - Mr. Lewis
Jim McManus - Lorry Driver's Mate
David Baron - Mr. Sumner
Chris Dillinger - Raider
Neil Kennedy - Raider
Luan Peters - Lady in Sports Car
Gay Close - Bride
Christopher Neil - Bridegroom
Jonathan David - Raider
Peter Davidson - Lorry Driver
Peter Craze - Security Man
Valentine Palmer - News Reporter
Anthony Bailey - Latymer
Bruce Boa - John Jerry Patterson
Kenneth Nelson - The American