To the best of my knowledge, Jeff never made any (porn) films, having appeared in photo spreads only.
But what spreads they were!
With his insanely gorgeous, masculine face, and that slightly furry, rippled, body he seemed to be born for porn! Add to that the fact that if ever there was a photogenic man, it was Jeff! - the camera not just loved, it simply adored him!
And it shows in every single image: