| UNSEEN CHARACTER
PC Rob Walker (son)
Ange Walker (daughter)
Chrissy Walker (daughter)
Lenny is the father of PC Rob Walker and his sisters, Ange and Chrissy, who originally lived in Aidensfield while they were growing up. He was known to the police (particularly Sgt Blaketon) for a number of crimes. In the episode "Blast from the Past", Lenny was mentioned to have confessed to Manchester Police about his part in a past robbery case and is currently in prison.
- In the episode, "Duty of Care", Rob is absent from the episode and is mentioned to have gone to see his father in prison.