I'm a Doctor Who fan, and a candy collector, so snagging one of these seemed like a necessary thing.
Featuring the 4th Doctor, Tom Baker, this wrapper must have come from early in his run, as it also features him driving his car, which was a hold-over from the previous Doctor.
As was the case with many UK wrappers, this was one in a series, and each featured a different character from the show on the reverse. This one shows us the Brigadier.
The actor who played the Brigadier is still alive, and I keep hoping he'll make some sort of appearance in the new Doctor Who series. [Note: I just checked, and it turns out he DID make an appearance in the Doctor Who spinoff series, The Sarah Jane Adventures. I'll have to look that one up!]