David Monahan

David Harold Monahan (born 13 August 1971) is an American actor, writer, and producer.

In 2011, he played Nathan Roberts, a victim of Travis Marshall aka The Doomsday Killer, on Showtime’s series DEXTER.

Appearances"
Season Six:
 * "Once Upon a Time... "
 * "Smokey and the Bandit"

Career
Film

His film credits include roles in The Dark Knight Rises (2012); Miss Nobody (2010); Acts of Mercy (2009); Say Goodnight (2008); Kalamazoo? (2006); Something New (2006); The Mostly Unfabulous Social Life of Ethan Green (2005); and This Is Not an Exit: The Fictional World of Bret Easton Ellis (1999 Documentary).

Shorts

His Shorts include A.M.D.G.: A World Is Not Enough (2005 Short); and The Last Supper (2000 Short).

Television

His TV credits include appearances on Doubt; Big Little Lies; Bones; The Client List; Political Animals (Mini-Series); Rizzoli & Isles; House; NCIS: Los Angeles; The Mentalist; Privileged; The Starter Wife; Swingtown; Criminal Minds; Tell Me You Love Me; Crossing Jordan; Supernatural; Cold Case; NCIS; Angel; Sabrina, the Teenage Witch; Dawson's Creek; and The Geena Davis Show.

Personal Life
Monahan was born in North Olmsted, Ohio. He graduated from Bishop O'Connell High School in Arlington, Virginia. He then graduated from Harvard University with an Honors Degree in Government.

Monahan's husband is actor Larry Sullivan, and they have one adopted child together. In 2008, Larry Sullivan had a role on DEXTER, playing Ethan Turner in the episode, “Turning Biminese.” In 2015, Sullivan and Monahan were featured in a Campbell's Soup ad.

Trivia

 * His nickname is Dave.