John Thaw

Det. Insp. Jack Regan

Dennis Waterman

Det. Sgt. George Carter

Denholm Elliott

Ex-Det. Chief Superintendent Jupp

Nigel Hawthorne

Det. Chief Insp. Dilke

Ken Hutchison

Hill

Anna Gaël

Mrs Hill

Derrick O'Connor

Llewellyn

Georgina Hale

Switchboard Girl