Date of Birth - May 30, 1953
Place of Birth - Dublin, Ireland

Most Famous Role(s) Other Than Star Trek:
- Played a minor recurring role as Cowen, leader of the Genii on the Sci-Fi Channel series Stargate Atlantis

Trivia About the Actor:
- Is the only actor to appear in 14 different seasons of "Star Trek," more than any other actor.

Men in Trees (2007) (TV)
- Starring as Bob in "The Indecent Proposal"
- Relationship-advice guru Marin Frist (Anne Heche), learns that her fiance is cheating on her, and decides to stay in a small town in Alaska which is the most recent stop on her book tour. It's in this remote town, where the ratio of men to women is ten to one, that she realizes she can truly learn how to find, and keep, a good man.
- In this episode, Marin can't light a fire in her new home so she invites Cash to be her house mate. Jack proposes to Lynn after going to Lamaze class with her. Sara meets a new guy at her EMT class. Patrick goes to New York with Annie to meet her family and ask for her father's permission to marry her.

Five Fingers (2006)
- Starring as Gavin
- Martijn is a gifted Dutch jazz pianist that travels to Morocco to initiate a food program to help poor kids. He is kidnapped by a group of terrorists. Martijn is also tortured by a Muslin man and looses four fingers. In the end, the truth about his travels is finally disclosed. Martijn insists on his own ignorance, though in time it becomes clear that all is not what it seems.
- Gavinis Martijn's security person who is eventually executed while tied up.

The Unit (2006) (TV)
- Starring as Charge D'Affaires in "Security"
- The Unit is a covert Special Forces team that does not exist. Their cover is the 303rd logistical studies group. They are assigned covert military operations by the President and never get credit for their actions. Their wives are also a tight group protecting their husbands. They protect their husband’s secrets and maintain their cover.
- The team goes under cover at the Iranian embassy in Lebanon seeking evidence of the sale of nuclear materials by Russia to Iran. Tiffy is observed meeting someone at a hotel.

Covert One: The Hades Factor (2006) (TV)
- Starring as Peter Howell
- Based on the best-selling book series by Robert Ludlum, this made-for-TV spy thriller sports an all-star cast that includes Mira Sorvino, Steven Dorff, Anjelica Huston, Blair Underwood, and Colm Meaney. When a few people across the globe come down with a mysterious, deadly illness, Col. Jonathan Smith, his fiancée Dr. Sophie Amsden, and the U.S. special force Covert One, must find a solution before the disease wipes out millions.

Stargate: Atlantis (2004-2006) (TV)
- Starring as Cowen in 3 episodes
- Stargate Atlantis is a spin-off from the SG-1 series where a group of scientists have discovered the lost city of Atlantis, but not on Earth, it's in the Pegasus galaxy. Once in Atlantis, with no power source to return home the team accidentally wakens the Wraith and they are hungry for humans. The team is lead by Major John Sheppard (Joe Flanigan), and then there's Lt. Aiden Ford (Rainbow Sun Francks), and the Scientist Dr. Rodney McKay (David Hewlett) also.
- Cowen was the previous leader of the Genii people and old acquaintance of Teyla Emmagan. He is first seen to be a farmer, but is later seen in a uniform. Ladon Radim lured Cowen and his guard to a desolate planet, where he detonated a bomb, killing everyone.

Caved In (2006) (TV)
- Starring as Vincent
- An extreme adventure tour group descends into an abandoned mine. They prepare for rock slides, black outs, cave-ins -- whatever might threaten their journey. What they're not prepared for is the gravest danger of all -- a silent, swift killer long hidden in the cavernous earth.

Law & Order: Criminal Intent (2005) (TV)
- Starring as Harold Garrett in "In the Wee Small Hours, Parts 1 and 2"
- This show centers on the NYPD's Major Case Squad and Detective Robert Goren (Vincent D'Onofrio) in its efforts to stop the worst criminal offenders in New York. It also puts a new twist to the "Law & Order" formula when we see the crimes as they are planned and committed.
- In this episode, the squad continues the investigation into the murder of a teenage girl visiting from Iowa. The detectives uncover the sordid family life of a local judge whose son is linked to the Iowa teenager and another victim. Goren and Logan discover that the judge is a formidable foe as they come under scrutiny.