Tell me a bio of Peter Gallagher.

Include key facts about their life, career, achievements, and impact.

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Peter Gallagher is an American actor, singer, and director, born on July 19, 1955, in New York City, New York. He is the son of Lillian and William Joseph Gallagher, a television news producer.

**Early Life and Education**

Gallagher grew up in a family of Irish and Italian descent. He attended the prestigious Dalton School in Manhattan and later graduated from the University of Pennsylvania in 1977. During his college years, he was a member of the a cappella group, The Whiffenpoofs.

**Career**

Gallagher began his career in the entertainment industry as a singer, performing in various bands and musicals. He made his Broadway debut in 1980 in the musical "The Visit" and later appeared in the 1981 musical "Merrily We Roll Along." His breakthrough role came in 1987 when he played the lead in the Broadway musical "City of Angels," for which he won a Tony Award for Best Actor in a Musical.

Gallagher transitioned to television in the 1990s, landing the role of Sandy Cohen in the critically acclaimed series "The O.C." (2003-2007). His portrayal of the laid-back, morally upright lawyer earned him a Golden Globe nomination and a People's Choice Award.

**Film and Television Career**

Gallagher has appeared in numerous films and television shows, including:

* "American Beauty" (1999)
* "The Player" (1992)
* "The West Wing" (2002)
* "Covert Affairs" (2010-2014)
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Peter Gallagher is an American actor, singer, and musician. Born on July 19, 1955, in Saratoga Springs, New York, he is the son of Louis J. Gallagher and Mary Theresa Sullivan Gallagher. His father was a businessman and his mother was a professor.

**Early Life and Education**

Gallagher attended Columbia High School in East Greenbush, New York. He then enrolled at the University of Pennsylvania, where he studied English and graduated with a Bachelor of Arts degree in 1977. During his college years, he was a member of the a cappella group, 'The Penn Masqueraders.'

**Career**

Gallagher's acting career began in the early 1980s with small roles in film and television. His breakthrough came when he played the character of Roger Doyle in the 1984 film "Dreamscape." He gained more recognition for his role as Sandy Kohl in the 1984 film "St. Elmo's Fire," alongside a young Emilio Estevez, Judd Nelson, and Andrew McCarthy.

**Key Roles and Achievements**

Some of Peter Gallagher's notable roles include:

1. **The O.C. (2003-2007)**: Gallagher played the role of Sandy Cohen, the father of Ryan, Marissa, and Kaitlin, in this popular American television drama series.
2. **American Dreams (2002-2005)**: He played the role of Tom G-Junior in this NBC drama series.
3. **Covert Affairs (2009-2014)**: Gallagher portrayed the character of Henry Bowman in this USA Network action spy drama series.
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