O'Malley was born in Boston, Massachusetts to Marianne and Tony O'Malley. He was raised in Nashua, New Hampshire. O'Malley graduated from Bishop Guertin High School in 1984 and graduated from the University of New Hampshire in 1988.
O'Malley posts pictures of himself with other actors and actresses for his Coffee Table book: #WearingOtherPeopleshair on his offical Twitter account.
O'Malley hosted Nickelodeon GUTS for three years in the 1990s. He starred on Yes, Dear for six years before the show ended in 2006. O'Malley had a recurring role on My Name Is Earl for three years until 2009 and has a recurring role on Glee since 2009.
|1991||Law & Order||New York Policeman #1||("The Torrents of Greed: Part 2")|
|Get the Picture||Herself||Host|
|1992||Nickelodeon GUTS||Himself||1992 - 1995 and Host|
|1996||Life with Roger||Roger Hoyt||1996 - 1997 (20 episodes)|
|1997||Path to Paradise: The Untold Story of the World Trade Center Bombing||Storage Facility Manager||TV movie|
|Deep Impact||Mike Perry|
|1999||The Mike O'Malley Show||Mike||2 episodes out of 13 aired|
|2000||Baby Blues||Darryl MacPherson/Various Characters||2002 - 2002 (voice, "God Forbid," "Rodney Moves In," "Wanda Proof")|
|28 Days||Oliver||credited as Michael O'Malley|
|Yes, Dear||Jimmy Hughes||2000 - 2006 (122 episodes)|
|2002||A Baby Blues Christmas Special||Darryl MacPherson||TV short and voice|
|2005||The Perfect Man||Lenny Horton|
|2006||My Name Is Earl||Officer Stuart Daniels||2006 - 2009 (14 episodes)|
|2007||On Broadway||Father Rolie O'Toole|
|2008||My Own Worst Enemy||Raymond Carter/Tom Grady||(9 episodes)|
|Pretty/Handsome||Chip Fromme||TV movie|
|2009||Glenn Martin DDS||Various||2009 - 2011 (voice, "Deck the Malls," Roller Derby," "Glenn and the Art of Motorcycle Maintenance")|
|Glee||Burt Hummel||2009 - 10 (recurring)/ 2010 - 11 (main)/ 2011 + (recurring)|
|2010||Eat Pray Love||Andy Shiraz|
|Parenthood||Jim Kazinsky||("Pilot," "The Deep End of the Pool," "Perchance to Dream")|
|2011||When Harry Met Sally 2 with Billy Crystal and Helen Mirren||State Trooper #2||uncredited and video short|
|Cedar Rapids||Mike Pyle|
|Family Album||Dave Bronsky||TV movie|
|Mrs. Henderson's Cat||short|
|Parks and Recreation||Bill Butler||("Bus Tour")|
|Prodigy Bully||Tommy Murphy||TV movie|
|Behind the Candelabra||Tracy Schnelker|
|Justified||Nicky Augustine||(6 episodes)|
|Raising Hope||Jimmy/Jim||2013 - 14 ("Sex, Clown and Videotape" and "Para-Natesville Activity")|
|Welcome to the Family||Dan Yoder|
|2014||BoJack Horseman||voice ("Live Fast, Diane Nguyen")|
|2014||A Good Marriage||Bill Gaines|
- Some sites list O'Malley's middle name as "Edward," while others list it as "Donald."
- He starred in The Perfect Man with Glee recurring star, Vanessa Lengies.
- ↑ 1.0 1.1 1.2 Mike O' Malley
- ↑ Mike O'Malley film reference
- ↑ Mike O'Malley Biography
- ↑ Pilot Scoop: Glee's Mike O'Malley Joins NBC's Welcome to the Family as a Grandpa-to-Be
- ↑ Fall TV 2013: 'Welcome to the Family' stars Mike O'Malley and Ricardo Chavira talk modern day 'Romeo and Juliet'
- ↑ NBC Pulls ‘Welcome to the Family,’ ‘Ironside,’ Sets ‘Community’ Return