The oldest of three children, Frank Grillo was born on June 8, 1965 and grew up in upstate New York.  He got his first taste of acting in high school where he was in many plays.  He was also a gifted athlete and his dream was to play sports professionally.  His parents had other ideas, however, and he graduated from New York University with a business degree.  He spent one year on Wall Street before a chance meeting with a casting director landed him a job in a beer commercial.

Frank appeared in a total of 25 commercials.  Additionally, he guest-starred on "Silk Stalkings" and "Poltergeist: The Legacy" before joining the cast of "The Guiding Light" where he played Hart Jessup for three years.

After leaving "Guiding Light", Frank had roles in the pilots "Fiona" and "Legacy" and the series "Wasteland", "Battery Park", and "For the People", where he played Det. J.C. Hunter. He also appeared as Ofc. Paul Jackson in several episodes of "The Shield." More recently, he had a regular role as Det. Marty Russo on "Blind Justice” and Nick Savrinn, a civil rights defense attorney on Fox’s “Prison Break.”  Recently, Frank has guest starred on “CSI: Crime Scene Investigation,” “Without a Trace” and “Las Vegas.”  Frank's most recent role was on Spike TV’s original eight hour series, “The Kill Point”, playing Mr. Pig, one of the Iraqi-War Veterans.

He has also appeared in films including The Sweetest Thing, Minority Report, and April's Shower as well as the upcoming movies Pride and Glory and iMurders.

Frank lives in New York and Los Angeles. He is married to actress Wendy Moniz and has three sons.