The Late William Simons

In 1977, you starred in an episode of Doctor Who.
If you hadn't died, today you would've turned 82.
You starred in an episode of "Enemy At The Door".
You were a very talented actor but not anymore.
In 1989, you starred in "The Woman In Black".
Sadly, you died and you won't be coming back.
You starred in five episodes of "Coronation Street".
You starred in three hundred and fifty-five episodes of "Heartbeat".
In 1962, you starred in "Top Secret" and "Mystery Submarine".
Today would've been your birthday if you hadn't died in 2019.  

[Dedicated to William Simons (1940-2019) who died on June 21, 2019]