Perhaps more famous for another role, who portrayed "Kavanagh Q.C." in the British TV series of that name?
Correct answer: John Thaw

baymax
Morse was who he was most famous, and maybe Regan from the Sweeny. quite foul mouthed tho.

DawnyC
The sweeny was the best , I watched it every week when growing up

aqualung
His last series was Father Renard set in WW2 France