(written from a Production point of view)
Gelbert Coloma (born 25 November 1963; age 58) is an actor who worked as photo double for Garrett Wang in several episodes of Star Trek: Voyager and appeared several times as an operations division officer. Two costumes worn by him were sold off on the It's A Wrap! sale and auction on eBay including a Starfleet uniform  and an EV suit which was also worn by Robert Beltran, Al Goto, and Josh Clark.  The previous costume misspelled his name as Gilbert Coloma. Coloma received no credit for his work.
Coloma was born in Caloocan City, Philippines and attended the School at Philippine Paco Chinese Elementary, the Philippine cultural high school, the Far Eastern University, and the Lyceum of the Philippines. He was discovered by a few casting directors and started his acting career in the late '90s. Since 1986 he has been married to Pita Lim with whom he has three children.
Among his first acting parts were featured roles in the drama The Night That Never Happened (1997), the television series Beyond Belief: Fact or Fiction (1998, with Matthew Kaminsky), Martial Law (1999), and Spin City (2001, with Alan Ruck and Olivia d'Abo), the action comedy Rush Hour 2 (2001, with Harris Yulin, Lisa LoCicero, Saul Rubinek, and James Lew), and the crime thriller Night Class (2001, with Ron Perlman and Edward Laurence Albert).
Further projects include the television comedy Legally Blonde (2003, with Harve Presnell), the action comedy Taxi (2004, with Edward Conna), the action film Today You Die (2005, with Robert Miano, Kevin Tighe, Jamie McShane, Eddie Perez, James Lew, Dennis Keiffer, Tim Gilbert, Justin Riemer, Troy Brenna, Gilbert B. Combs, and Henry T. Yamada), the television thriller Final Approach (2007, with D.C. Douglas, Todd Waring, Don Pugsley, Frank Novak, Rick Scarry, Steve Vinovich, and Justin Rodgers Hall), and the television series What I Like About You (2003), JAG (2000 and 2003, with Steven Culp and Christina Pickles in the previous one and Zoe McLellan, Vladimir Velasco, and Keone Young in the latter one), Standoff (2006, with Michelle Krusiec, Tim Kelleher, Tom Wright, Chase Kim, and Greg Barnett), and Heartland (2007).
More recent projects include the television comedy X-Treme Biography: Santa (2008) and Walter Koenig's science fiction film InAlienable (2008, with Walter Koenig, Courtney Peldon, Erick Avari, Marina Sirtis, Andrew Koenig, Judy Levitt, Alan Ruck, Richard Herd, Gary Graham, Philip Anthony-Rodriguez, J.G. Hertzler, Lisa LoCicero, Jeff Rector, Tad Atkinson, Bertrand Roberson, Jr., and Patricia Tallman).
Star Trek appearances
(This list is currently incomplete.)