(written from a Production point of view)
Mark Hoffman is the actor who appeared as Lonzak's first henchman in the Star Trek: Voyager episode "Bride of Chaotica!". He received no credit for this part and was identified by the name tag of his costume which was sold off on the It's A Wrap! sale and auction on eBay.  
Hoffman trained acting, dance, and voice work in New York and Los Angeles and appeared in several stage plays and commercials. He was featured in the comedy series The Naked Truth (with Jack Blessing), One Day Visit, Extra, and Brotherly Love (starring Liz Vassey and Melinda Culea and created by Jonathan Schmock). Among his film work as principal and featured parts in The Brat, The Boxer, Dreamwalking, the television drama Passionata (1992, with Pamela Winslow), and the mystery thriller Donnie Darko (2001, with Holmes Osborne).