He starred in the 3rd kung-fu film, to be released in the United States, Sacred Knives Of Vengeance (which was one of his better showing). He can be entertaining when he's given a role that calls for fighting or serious acting. Other than that, he just becomes a part of the scenery and you'd never know that he had any fighting skills at all. He fared better in films that had more to do with Swordplay than kung-fu, as he seemed to excel in them.
I can't say that I've seen his full potential in a movie role, as he is yet another actor that can easily be overshadowed by more capable co-stars (in the fighting-department). When he has a sword in his hands, he seems to know what he's doing, and other times he'd look lost like an American in Hong Kong. More of an actor than a fighter, he was one of many Studio-trained martial-artists. This didn't stop him from looking the part in films like The Eunuch and my favorite, The Golden Seal, battling the evil Ku Feng.
He also gave an excellent performance in the Chu Yuan film, The Bastard. In a lot of his films, it seems like a lot of "Special Effects" were added, in the way of Flying and choppy editing. A bad trait (possibly) picked up during his time with actress Chang Ling, on most of her films. The film Hero Of The Time, did more for Tan Tao-Liang, (than it did him) he still can be seen in films, that pushed him both as an actor and Screen-fighter. Two such films that come to mind were, Call To Arms and The Shaolin Heroes, with the dashing Wang Kuan-Hsiung.