- 2000: Had supporting role as a preppy drug addict in "28 Days", starring Sandra Bullock
- 2000: Co-starred with Anthony Clark in the CBS fall sitcom "Yes, Dear"
- 1999: Played an air traffic controller in "Pushing Tin"
- 1999: Headlined own short-lived eponymous NBC sitcom "The Mike O'Malley Show"
- 1998: Feature film debut as lead in "Above Freezing"
- 1998: Appeared as an astronomy teacher in "Deep Impact"
- 1996: Played leading role in The WB sitcom "Life With Roger"
- 1994: First play produced, "Three Years From Thirty"; also acted in production
- 1994: Appeared in the Nickelodeon special "The Big Help"
- 1992: Served as host of "Nickelodeon GUTS"
- 1991: TV acting debut, bit role as a policeman in an episode of "Law & Order" (NBC)
- 1991: Hosted the Nickelodeon game show "Get the Picture"
- Raised in Nashua, New Hampshire
- Appeared in a series of commercials for ESPN as 'The Rick', the ultimate sports fan




