- Source of Wealth: Film, Stage and Television
- Age: 64
- Birth Place: New York City, New York, U.S.
- Height: 1.75 m (5′ 9″)
- Weight: 72 kg (123 lbs)
- Marital Status: Married (Paula Wildash)
- Full Name: Peter Killian Gallagher
- Nationality: American
- Date of Birth: August 19, 1955
- Ethnicity: Irish
- Occupation: Actor
- Education: Tufts University
- Children: 2 (Kathryn and James)
American actor, musician, and writer, Peter Killian Gallagher has an estimated net worth of $8 million.
A handsome and brooding actor, who is equally at home in mainstream Hollywood fare and in American independent projects as well as on the theatrical stage, Peter Gallagher was born August 19, 1955, in Armonk, NY. While attending Tufts University, he spent his summers appearing with area theater groups, and after graduating in 1977, he acted on Broadway in a revival of Hair. Gallagher then starred as Danny Zuko in Grease, a performance which led to his portrayal of a ’50s-era pop singer in his film debut, the 1980s The Idolmaker.
Peter Killian Gallagher was born on August 19, 1955, in New York City, New York, United States. Gallagher has been married to Paula Harwood since 1983. They have two children.