4.

8. The rank is correct, second part is a Southern Irish county.

8 sergeant cork

8 could also be Inspector Wexford

Was he set in Victorian times? Diggers

1.    A fly on a bald man’s head has this.
2.    The Israelite will show you how to get there.
3.    Shortened version of this Welsh band. Mannix
4.    Where Braveheart keeps his documents. McCloud
5.    This guy is good at billiards. Cannon
6.    Man from Ostrava has been forbidden entry. Banacek
7.    Ex PM depressed at losing job. Maigret
8.    NCO is very buoyant. Sergeant Cork
9.    This is the one everyone desires.
10.    Take the diplomatic approach. Softly Softly
11.    Apostle tattooed on the head. Paul Temple
12.    Couple of sweet talking guys. The Persuaders
13.    Everyone knows I’m gay. Out
14.    Just like Charlie Chan. Chinese Detective
15.    Pepper was hot stuff in this. Police Woman
16.    The rules of a Scottish county. Sutherlands Law
17.    How to kill the fly in 1. S.W.A.T.
18.    Her indoors never had it so good. Mcmillan and Wife
19.    Like a hard acid pear shaped fruit. Quincy
20.    Fred’s mate is making some flour. Barney Miller

1. Actor who played Mike Baldwin was a cast member.
2. Two word answer, first word is a Christian Associatrion.

I think someone tried this answer for another clue earlier, but I'll try it for 1:

1 In Plain Sight

1.    A fly on a bald man’s head has this.
2.    The Israelite will show you how to get there.
3.    Shortened version of this Welsh band. Mannix
4.    Where Braveheart keeps his documents. McCloud
5.    This guy is good at billiards. Cannon
6.    Man from Ostrava has been forbidden entry. Banacek
7.    Ex PM depressed at losing job. Maigret
8.    NCO is very buoyant. Sergeant Cork
9.    This is the one everyone desires.
10.    Take the diplomatic approach. Softly Softly
11.    Apostle tattooed on the head. Paul Temple
12.    Couple of sweet talking guys. The Persuaders
13.    Everyone knows I’m gay. Out
14.    Just like Charlie Chan. Chinese Detective
15.    Pepper was hot stuff in this. Police Woman
16.    The rules of a Scottish county. Sutherlands Law
17.    How to kill the fly in 1. S.W.A.T.
18.    Her indoors never had it so good. Mcmillan and Wife
19.    Like a hard acid pear shaped fruit. Quincy
20.    Fred’s mate is making some flour. Barney Miller

1. Actor who played Mike Baldwin was a cast member.
2. Two word answer, first word is a Christian Association.
9. Public Enemy number 1 is the country's

1. No Hiding Place

9. Most Wanted

1 no hiding place

haha snap

squares just beat me to most wanted also I see

2. They've provide a good book to read.

2 gideons way

lol

wd getting the last ones guys

thanks lovegod

wd all

Thanks LG, ditto to pp, some great clues. I didn't know all the shows but a nice trip down memory lane for the 70's stuff / repeats of some 60's stuff I managed to catch. Just sad my favourite, Columbo, wasn't there,
Thanks again LG, very enjoyable.

That's how it goes sometimes LG. I had a clue in my last films list that took me a while to sort out, but it was answered very early in the quiz, lol.