Played a younger version of Colonel Jack O`Neill (Richard Dean Anderson) in the "Stargate SG-1" (1997) episode, `Fragile Balance.` His "Joan of Arcadia" (2003) co-star Mary Steenburgen has been mentioned several times on that series as being O`Neill`s heartthrob.
Part of what got him into acting was his flexible ability to accurately emulate other roles and dialects.
Was writing a one-man show, but this was put on hold for his other projects and probably will never be finished.
He is a skilled drummer.
Comments that after shooting the entire first season of "Joan of Arcadia" (2003), he was recognized just as equally from a single episode of "Stargate SG-1" (1997).
He played drums in a band with another actor, Joey Zimmerman.
Has an older sister, Sarah, who is an Optometrist working in a VA Hospital.
As his eyes are blue in real-life, he had to wear contact lenses when playing the younger version of Colonel Jack O`Neill in the "Stargate SG-1" (1997) episode "Fragile Balance" as Richard Dean Anderson (who plays the usual version of the character) has brown eyes.
Has worked with two actors who appeared in versions of "Seven Brides for Seven Brothers": Richard Dean Anderson (who he appeared with in the "Stargate SG-1" (1997) episode "Fragile Balance") played Adam McFadden in "Seven Brides for Seven Brothers" (1982), Russ Tamblyn (who he appeared with in the "Joan of Arcadia" (2003) episodes "Night without Stars", "Do the Math" and "Friday Night") played Gideon Pontipee in Seven Brides for Seven Brothers (1954).
Is close friends with his "Joan of Arcadia" (2003) co-star Chris Marquette and Aaron Himelstein who played the recurring character Friedman on that series.
Appeared in episodes of two different television series which originally aired on January 21, 2001 on Fox: "The X Files" (1993) episode "Badlaa" and "Malcolm in the Middle" (2000) episode "New Neighbors."
The actresses who played his girlfriends, Mageina Tovah and Becky Wahlstrom, in "Joan of Arcadia" (2003) were eight and twelve years older than him respectively even though they were all supposed to be much the same age.
Has a nephew named Paul.
Got his first car, a Toyota Prius, in October 2004.
His family owns a dog named Charley. It was a runaway after the 1994 earthquake in Northridge, California that they adopted.
Andrew Dorsett, the Young Frasier to his Young Niles in "Frasier" (1993) episode "Where Every Bloke Knows Your Name," plays in a band with one of Welch`s friends who is also one of his former drum instructors.
Has played both an autistic youth in the movie "United States of Leland", and a genius in the series "Joan of Arcadia".
His favourite TV show is "Family Guy" (1999).
Has worked with two different actors who were born on January 23, 1950: Richard Dean Anderson in the "Stargate SG-1" (1997) episode "Fragile Balance" and Richard Gilliland in the "Joan of Arcadia" (2003) episodes "Death Be Not Whatever" and "The Devil Made Me Do It".
His favourite films are Ferris Bueller`s Day Off (1986) and The Matrix (1999).
He is a frequent co-star of his close friend Aaron Himelstein.
He is a skilled drummer. (imdb.com)
Has a nephew named Paul. (imdb.com)