The actor issued a warning to parents to be vigilant in the Essex area.
The show aired for 17 years and was a huge hit.
The 75-year-old actor decided to go public with his diagnosis after Bruce Willis revealed he has the condition.
'The Bill' was the longest-running police drama on British TV when it was cancelled in 2010.
Do you know your Dingles from your Dixons? Identify these British soaps from just three characters.
June Ackland, Jim Carver, Frank Burnside, Bob Cryer and Tony Stamp stars shared a nostalgic video chat.
All stages of the EU Withdrawal Bill will be completed by 5pm on Friday.