William George Zane, Jr. was born in Chicago, Illinois on February 24, 1966 to William and Thalia Zane. He has one sister, Lisa, also an actress. As a teenager Billy spent a year in Switzerland. After graduation, he moved to L.A. and immediately got a bit part in the movie Back To The Future as one of Biff's bullies. Since then he has worked constantly, in tv shows including Matlock, Murder She Wrote, and Twin Peaks. He has also appeared in movies such as Dead Calm, Danger Zone, Only You, The Phantom, and the epic Titanic. He has several projects coming up in the near future, including Sundance Film Festival winner "The Believer". As for his personal life, at present he is single. He has an ex-wife, Lisa Collins, to whom he was married from 1988-1995. And he was engaged recently to actress Leonor Varela, his Cleopatra co-star. They have since split.
He is allergic to cats, a fact he discovered while working on a cat food commercial.
He is Greek-American.
He dislikes tomatoes.
Some of his hobbies include: swimming, photography, and collecting cars - his favorite is the Mustang.