Peck was born in Honolulu, Hawaii. He briefly attended Santa Monica High School where he played football as a linebacker on the frosh/sophomore team in 1986–87. He left school to pursue acting and did not graduate from Santa Monica in 1989.

In his spare time, Peck writes poetry and draws figures and caricatures. He is currently illustrating a book based on the lives of his two sons, A.J (born July 11, 2002) and Roman (born February 2005). Peck and his wife, Tara Crespo, filed for divorce in July 2009.

In June 2010, Peck and his former As the World Turns co-star, Terri Conn officially came out as a couple at the 37th Annual Daytime Emmy Awards.Their relationship was covered in the February 15, 2011 and March 8, 2011 issues of Soap Opera Digest magazine. The February Valentine's Day issue included an interview with Peck, covering his move to One Life to Live, along with his relationship with Conn. The issue includes two candid photos of the couple within the article, as well as a cover shot with the caption, "Exclusive: Real-Life Loves Reunite."

Peck and Conn would eventually marry on July 1, 2011.

Peck is best known for his role as Austin Reed on the daytime soap opera Days of our Lives from April 13, 1995 to April 5, 2002, and from September 20, 2005 to October 26, 2006.

Peck was a recast to the role, and succeeded a popular actor, Patrick Muldoon. Peck became a fan favorite, reportedly getting the most fan mail of anyone in the Days cast. He appeared on the cover of "Playgirl" and "YM". Peck, along with Days co-star Christie Clark, won the Soap Opera Digest Award for Hottest Romance. The actors came back to the show in 2005, but were released from their contracts in 2006.

In November 2006, Peck relocated to Brooklyn, New York, to assume the role of Brad Snyder on the CBS daytime drama As the World Turns. He first aired in January 2007. In August 2009 it was revealed that Peck would be released from his contract and his character was killed off in October of that year. Peck continued to air as Brad's ghost through December 2009.

Peck has guest starred on Sabrina the Teenage Witch, Charmed, The District, Are You A Serial Killer, as well as the 2006 movie Dating Games People Play and 2009's The Blue Tooth Virgin, which features a star studded cast. He has also appeared in the acclaimed off-Broadway play The Irish Curse.

In January 2011, it was announced that Peck would join the cast of One Life to Live as porn producer Rick Powers.

Soap Opera Stars,