Zac Efron is an American actor, singer and film producer. He began his acting career in the 2000s, and became famous for his role as Troy Bolton in the Disney TV movie High School Musical, after the WB series Summerland and after the film Hairspray, the film version of the Broadway musical of the same name .

In 2005 Efron and Vanessa Hudgens began a relationship while filming High School Musical. The two broke up in 2010. He had a brief relationship with Lily Collins starting in late 2011 until June 2012. The two subsequently announced their separation. From September 2014 to early 2016 he had a relationship with the model and entrepreneur Sami Miró.

Efron placed first in the IMDB Pro's Star Meter, which indicated him as the most searched actor on the web. At the beginning of 2013 the actor resorted to rehabilitation to fight alcoholism and substance abuse. He has been sober since June 2013. In March 2014 he got into a fight with a homeless man on Skid Row; however, the police did not arrest either of them.