Along with George Takei and Robert Duncan McNeill, he is one of only three "Star Trek" regulars to wear all three "Star Trek" uniform colours. He wore the blue (medical) uniform in every episode of "Star Trek: Voyager" (1995) in which he appears, the "Star Trek: Deep Space Nine" (1993) episode "Doctor Bashir, I Presume?" and Star Trek: First Contact (1996), the gold (operations/security) uniform in the "Star Trek: Voyager" (1995) episode 'The Swarm' and the "Star Trek: Deep Space Nine" (1993) episode 'Doctor Bashir, I Presume?' and the red (command) uniform in the "Star Trek: Voyager" (1995) episodes 'Tinker, Tenor, Doctor, Spy' and 'Workforce parts 1 & 2'.
From the East Falls section of Philadelphia
Graduate of Penn Charter School, class of 1971
Had originally auditioned for the role of Neelix on "Star Trek: Voyager" (1995).
Has appeared in episodes of two different series entitled "Prototype": "Star Trek: Voyager" (1995) and "Stargate SG-1" (1997).
Has appeared in episodes of two different series entitled "The Gift" and "One Small Step": "China Beach" (1988) and "Star Trek: Voyager" (1995).
Has two daughters named: Nicollette Arianna (born on March 14, 1989) and Gina Emira (born on November 3, 1991)
He has played the same character (Richard Woolsey) in three different television series: "Stargate SG-1" (1997), "Stargate: Atlantis" (2004) and "SGU Stargate Universe" (2009).
Is a fan of "Stargate SG-1" (1997) on which he plays the recurring character of Agent Richard Woolsey.
Is an accomplished singer and has put out a CD of parody songs.
Is the only "Star Trek" regular to have ever written an episode of "Star Trek": the "Star Trek: Voyager" (1995) Season Six episode "Life Line".
Italian-American.
Originally attended Yale as a Pre-Med major
Spoke the final line of the 'Stargate Atlantis' series.
The real name of the family was Picardi, changed by his father.