David Monahan Biography: Net Worth, Height, Husband, Age, Movies, Ethnicity, Parents
David Harold Monahan, also known as David Monahan, is an American actor, writer, and producer.
He built his acting career through television and film, gaining recognition for roles in Dawson’s Creek, Crossing Jordan, The Mostly Unfabulous Social Life of Ethan Green, Supernatural, Dexter, and Big Little Lies.
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He has also worked behind the camera on television productions.
| David Monahan | |
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| Wiki Facts & About Data | |
| Real Name: | David Harold Monahan |
| Stage Name: | David Monahan |
| Born: | August 13, 1971 (age 55 years old) |
| Place of Birth: | North Olmsted, Ohio, United States |
| Nationality: | American |
| Ethnicity: | White American |
| Height: | 5 feet 11 inches (180 cm) |
| Religion: | Christianity |
| Parents: | Mr. and Mrs. Monahan |
| Spouse: | Larry Sullivan |
| Relationship: | Married |
| Children: | 1 |
| Occupation: | Actor, Writer, Producer |
| Net Worth: | $3 million |
Early Life and Education
David Monahan was born on August 13, 1971, in North Olmsted, Ohio. He was born to Mr. and Mrs. Monahan, whose full names have not been publicly established. His ethnicity is White American.
He grew up alongside siblings whose names and number have not been publicly documented. His religion is Christianity.
David Monahan graduated from Bishop Denis J. O’Connell High School in Arlington, Virginia, in 1989. He later attended Harvard University, where he graduated with an honors degree in government.
He initially intended to pursue law before an unexpected opportunity to audition for Swing Kids encouraged him to explore acting.
Career
David Monahan entered professional acting after completing his university education and abandoning his initial plans for a legal career.
He moved to New York, studied acting, and performed in theatre and commercials before relocating to Los Angeles in 2000.
His television breakthrough came through a recurring role as Tobey Barret on Dawson’s Creek. He later gained another substantial recurring part as Detective Matt Seely on Crossing Jordan.
His screen credits expanded to include Angel, NCIS, Cold Case, Supernatural, Criminal Minds, Swingtown, Dexter, Revenge, Rizzoli & Isles, Bones, Political Animals, The Client List, The Dark Knight Rises, and Big Little Lies.
He also moved into writing and producing, contributing to television projects such as Liv and Maddie, Insatiable, Life in Pieces, and Ginny & Georgia.
Personal Life
David Monahan, 54 years old, is married to actor Larry Sullivan. The couple have one adopted child together and have occasionally appeared publicly as a family, including in advertising campaigns.
David Monahan has generally kept his family life away from extensive media attention.
No confirmed previous relationship has been widely documented in reliable public biographical records.
His interests include acting, writing, producing, theatre, television, and creative storytelling. His height is 5 feet 11 inches (180 cm).
Net Worth
David Monahan has an estimated net worth of approximately $3 million USD. His income comes primarily from acting, television writing, producing, and related entertainment work.
His extensive acting credits include recurring roles on Dawson’s Creek and Crossing Jordan, alongside appearances in Dexter, Big Little Lies, The Dark Knight Rises, Supernatural, and other productions.
His work as a writer and producer on Liv and Maddie, Insatiable, Life in Pieces, and Ginny & Georgia has provided additional professional income.

Filmography
- The Last Supper (2000) — Rollins
- Dawson’s Creek (2000–2001) — Tobey Barret
- The Mostly Unfabulous Social Life of Ethan Green (2005) — Leo Worth
- Crossing Jordan (2004–2007) — Detective Matt Seely
- Something New (2006) — Bill Lebree
- Supernatural (2007) — Father Thomas Gregory
- Tell Me You Love Me (2007) — Alex
- Criminal Minds (2008) — Deacon Rogers
- Say Goodnight (2008) — Bernard
- Swingtown (2008) — Henry
- Privileged (2008–2009) — Keith
- Acts of Mercy (2009) — Dr. Ed Grey
- House (2010) — Jay
- Miss Nobody (2010)
- Dexter (2011) — Nathan Roberts
- Revenge (2011) — Alexander Barrol
- Political Animals (2012) — Congressman Sean Reeves
- The Dark Knight Rises (2012) — Applied Sciences Tech #2
- The Client List (2012) — Professor Horine
- Bones (2014) — Kurt Delson
- Big Little Lies (2017) — Bernard
- Doubt (2017) — Alan Hamilton
- Life in Pieces (2015–2019) — Producer
- Insatiable (2018–2019) — Writer, Producer
- Ginny & Georgia (2021–2025) — Writer, Executive Producer
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