He may have been 007 to most people (he starred in 7 James Bond movies, after all), but to me, he was the Saint.
Watching him in the 1960s series led me on to a love of the Leslie Charteris stories - I was even a member of the fan club for a while, just so I could carry the membership card around with me. This proclaims, on the back, in a message to the police:
"The bearer of this card is probably a person of hideous antecedents and low moral character, and upon apprehension for any cause should be immediately released in order to save other prisoners from contamination."
And then, later, he was Brett Sinclair in the Persuaders, co-starring with Tony Curtis:
But the thing he himself was proudest of was his work as Unicef ambassador, for which he was knighted.