Guest Stars James Grout as Chief Superintendent Strange Maureen Bennett as Val Lewis Geraldine James as Helen Field Trevor Byfield as Harry Field Nicola Cowper as Jane Marriot Stephan Grothgar as Carl Anna Patrick as Eirl's Secretary Vania Vilers as Paul Eirls Sean Cranitch as Patrol Man Steven Payne as Sergeant Taylor Andy Mulligan as Gordon Collins Helena Lymbery as Barmaid Veronica Lang as Julia Ronald Pickup as Ian Matthews Philip Locke as Freddie Mortimer Jeremy Clyde as Roger McMill Dicken Ashworth as George Drummond Freddie Jones as Harry Field, Sr. David Belcher as Landlord Brian Lipson as McCabe John Castle as Tony Doyle Uncredited Colin Dexter as Man in Group