HomeStatisticsDirector/ProducerPeter Gallagher Height, Weight, Age, Facts, Biography

Peter Gallagher Height, Weight, Age, Facts, Biography

Peter Gallagher Quick Info
Height 5 ft 9 in
Weight 73 kg
Date of Birth August 19, 1955
Zodiac Sign Leo
Eye Color Blue

Peter Gallagher is an American actor, voice actor, stage artist, and writer who is known for his roles like Sandy Cohen in the teen drama series The O.C., Arthur Campbell in the action drama series Covert Affairs, Dr. David Hamilton in the ABC medical drama series Grey’s Anatomy, Larry Kosinski in the comedy-drama series Togetherness, Deputy Chief William Dodds in the crime drama series Law & Order: Special Victims Unit, Mitch Clarke in the NBC musical comedy-drama series Zoey’s Extraordinary Playlist, Dean Stacey Koons in the comedy-drama series Californication, Michael in the ABC sitcom The Secret Lives of Men, and Benedict Ryan in the superhero series The Gifted. His film credits include Short Cuts, The Man Who Knew Too LittlePath to ParadiseJohnny SkidmarksHouse on Haunted HillThe Adventures of Tom Thumb and ThumbelinaCenter Stage: On Pointe, Palm SpringsA Bad Moms Christmas, and Literally, Right Before Aaron.

Born Name

Peter Killian Gallagher

Nick Name


Peter Gallagher as seen in 2009
Peter Gallagher as seen in 2009 (Kristin Dos Santos / Flickr / CC BY-SA 2.0)

Sun Sign


Born Place

New York City, New York, United States


New York City, New York, United States





Peter Gallagher attended Tufts University and graduated with an economics degree. During his time at the university, he was active in theater and appeared in shows such as Stephen Sondheim’s Company as well as sang with the all-male a cappella group the Beelzebubs.

He also trained at William Esper Studio, a school for the performing arts in Manhattan, New York.


Actor, Voice Actor, Writer, Stage Artist


  • Father – Thomas Francis Gallagher, Jr. (Advertising Executive)
  • Mother – Mary Ann (née O’Shea) (Bacteriologist)
  • Siblings – Paul Gallagher (Older Brother), Joan Gallagher (Older Sister)
  • Others – Thomas Francis Gallagher, Sr. (Paternal Grandfather), Brigid/Bridget Gallagher (Paternal Grandmother), Denis/Dennis Joseph O’Shea (Maternal Grandfather), Katherine/Catherine Mary “Katie” Killian (Maternal Grandmother)


Peter Gallagher has been signed with Innovative Artists, Talent Agency, Santa Monica, California, United States.

Net Worth

According to, his net worth has been $12 Million.



Peter Gallagher and Kari Matchett at the San Diego Comic-Con International in 2011
Peter Gallagher and Kari Matchett at the San Diego Comic-Con International in 2011 (vagueonthehow / Flickr / CC BY 2.0)


5 ft 9 in or 175 cm


73 kg or 161 lbs

Girlfriend / Spouse

Peter Gallagher has dated –

  1. Paula Harwood (1983-Present) – He got married to Paula Harwood in the year 1983 and the duo has 2 children – a son named James Gallagher (b. 1990) and a daughter named Kathryn Gallagher (b. July 23, 1993).

Race / Ethnicity


Peter Gallagher is of Irish descent.

Hair Color

Salt and Pepper

Eye Color


Sexual Orientation


Distinctive Features

  • Thick eyebrows
  • Frequently played reassuring father figures in the later part of his career

Brand Endorsements

He has been cast in TV commercials for –

  • Infiniti Q45 (voiceover) (2000)
  • Oxygen Network (2003)
  • Entresto (sacubitril/valsartan) tablets heart medication from Novartis (voiceover) (2016, 2022)
Peter Gallagher (Left) as seen while posing for a picture with Chris Carmack in October 2021
Peter Gallagher (Left) as seen while posing for a picture with Chris Carmack in October 2021 (Peter Gallagher / Instagram)

Peter Gallagher Facts

  1. He spent his childhood years growing up in Armonk, New York.
  2. When he was 16, he broke his eardrum diving off a 60-foot cliff. It eventually healed.
  3. His first ever job was painting houses.
  4. Growing up, he used to be self-conscious about his lips.
  5. For his role as Sandy Cohen in The O.C., he was nominated for a Teen Choice Award for “Choice TV Parental Unit “.
  6. From 2015 to 2016, he was cast in the recurring role of Larry Kosinski in the television series Togetherness and this role got him nominated for a Critics’ Choice Television Award in the “Best Guest Performer in a Comedy Series” category.
  7. He has stated that he is a shy person.
  8. He has an Irish and a United States passport.
  9. As a stage actor, he has been cast in productions of A Doll’s LifeLong Day’s Journey Into Night, The Real ThingGuys and DollsOn the Twentieth CenturyThe Country GirlPride and Prejudice, and Noises Off.
  10. He loves golfing and has revealed that actor Jack Lemmon gave him his first set of golf clubs.

Featured Image by Kristin Dos Santos / Flickr / CC BY-SA 2.0

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