Cor, you're good, Kaz !!
10 - Philip Jackson was Inspector Japp, but you probably already knew that
…. as for the answer to this one, think India ……
13 - yes, that's not an easy one. The character was DI Matt Burke - a bit stocky and grumpy like Alex Salmond
22 - Compo!
25 - Compo's nemesis!! You're absolutely correct in the "link" you've identified ....
I'll stick the final answers up tomorrow evening.