Andy On born as Andy Tien is one of the most talented and popular actors and a martial artist. His age is 38 as he was born on 11th May 1976. His birthplace is Providence, which lies in Rhode Island, USA. He is an American by nationality.

He has been active in the acting field since 2002. He debuted from the movie Black Mask 2: City of Masks. He has been featured in a number of movies, which basically focus in action and martial arts. Though he is not originally from martial background he used to practice moves and stunts from Jackie Chan's movies at home. He used to be a bartender in early 200s until someone suggested him to be an actor. He then decided to leave the job of bartending and headed for Hong Kong to pursue the career in acting. There he met Hark Tsui and he got the offer to be cast as the replacement of Jet Li's character named Black Mask in the movie Black Mask 2: City of Masks. He also appeared in the movie Star Runner along with his idol Jackie Chan for which he was nominated and won the Hong Kong Film Award for Best New Actor. However he can rarely be seen in TV shows.

He is an average tall man with the height of 5 feet 11 inches. His height perfectly matches him and he would be resistless if he goes shirtless. Every girl would love to be his girlfriend. He has many fans and followers of different ethnicity from around the world in Twitter. He is an active user of Instagram and regularly uploads pictures to be in touch with his admirers and supporters. More information about him can be found in wiki websites like Wikipedia.

On was in the relationship with Jennifer Tse. They began dating since 2009. The relationship came to an end after four years. He is not married so he does not have wife or children. There is no news of his divorce either. He is definitely not gay but he has not publicly spoken about his sexual preferences. His net worth is estimated to be in millions however the exact figure is not disclosed yet.