William was first married to Betsy Aidem. Betsy Aidem is an actress and she is famous for her role in the movies like You Can Count on Me, Irrational Man and so on. As a married couple, they also welcomed a child together. They got divorced in 1996.
William lived a single life for about a year and then he began dating Kymberly Kalil. Kymberly Kalil is also an actress. After being in love for several months, they finally tied their married bonding on 25th of July 1998. They have also welcomed a child together. His nationality is American and he is of German ethnicity.
Willian grew up in Cheektowaga, New York. There he got enrolled at Maryvale High School and then he graduated from there in 1974. Later on he joined Farmingdale State College and finally earned his bachelor’s degree in 1978. He also studied at American Academy of Dramatic Arts. He has been active in the film industry since the late 1980s. He made his acting debut in 1987 by starring the role of Josh Snyder in an American television soap opera As the World Turns. Two years later, he appeared in the TV series like A Man Called Hawk and Baywatch. He made his feature film debut in 1994 by portraying the role of Stage Manager in an American historical film Quiz Show. In 1995, he appeared in the movies like Virtuosity, Reckless, Strange Days, Heat, High Lonesome: A Father For Charlie and Underneath. He got his rise in fame in 2005 after he began portraying the role of Sheriff Tom Underlay in an American science fiction television series Invasion. He is critically acclaimed for playing the role of Alexander Mahone in an American television serial drama Prison Break. He has also appeared in the video games like Grand Theft Auto: Vice City, Grand Theft Auto: San Andreas and so on. He is now aged 59 years old and his net worth is $8 million dollars.