Inspector Morse. The Infernal Serpent.

First broadcast 3rd January 1990.

Morse and Lewis investigate the death of Dr. Julian Dear, a senior fellow at an Oxford college.

John Thaw - Chief Inspector Morse
Kevin Whately - Detective Sergeant Lewis
Geoffrey Palmer - Matthew Copley-Barnes
David Neal - Dr. Julian Dear
Barbara Leigh-Hunt - Blanche Copley-Barnes
Pearce Quigley - Mick McGovern
Michael Attwell - Parsons
Cheryl Campbell - Sylvie Maxton
John Joyce - Mr. Gray
Ian Brimble - Phil Hopkirk
Tom Wilkinson - Jake Normington
Irene Richard - Imogen Garrett
George Costigan - Ron Garrett
Denys Hawthorne - Chief Superintendent Rennie
Sydnee Blake - Mrs. McGovern
Philippa Howell - Ward Sister (as Phillipa Howell)
Michelle Wesson - Mandy Hopkirk
Catherine Terris - Hopkirk's Housekeeper