Jack Webb as Sgt. Joe Friday in the 1951 edition of Dragnet carried a Colt Detective Special. My screen caps are not of adequate quality, but here are two. --Sg688 19:01, 1 May 2012 (CDT)
Frank Smith's gun
It wouldn't have been a Model 10, as S&W didn't start using model numbers until around 1957. It would have been a Military & Police in .38 Special. Essentially the same gun, just a different name.