Cryptic crime busters

[Poppy-2]

Hello All,
Have several items that are driving me crazy!!!! Answer is the characters name not the actor/actresses name eg. Ice cream = Magnum.
Can you please help at all, thanking you in advance for your help :0)

Simply the Best =
The Follies - Almost =
Housebuilders?=
Not Belgian - French=
One of the Jersey Boys=
This copper is not quite 50=
He is handy to have around=
Was he Jackie's father=
Plain Jane-This Spinster

[Polly1958]

one of the jersey boys- Bergerac

[Polly1958]

not belgian french- Poirot though i think he is Belgian

[Norberto]

Copper not quite 50 = PC 49 (Police Constable Archibald Berkeley-Willoughby - apparently)
Plain Jane = Miss Marple

[C. Deville]

Jackie's father - Charlie Chan
Not Belgian - French - Maigret
Housebuilders - Sherlock Holmes

Answers might be these.

[chilliwitch]

He is handy to have around=Mike Hammer?

[samuel23]

simply the best - the A team?

[samuel23]

is he handy to have around - inspector gadget?