(written from a Production point of view)
Tony Amendola is the actor who played a Chorus member in the Star Trek: Voyager episode "Muse". He is much better known for his role as the Jaffa master Bra'tac on the television series Stargate SG-1. One of his costumes from "Muse" was sold off on the It's A Wrap! sale and auction on eBay. 
Amendola has also made guest appearances on many television series including Lois & Clark: The New Adventures of Superman (with Teri Hatcher and K Callan), Ally McBeal (with Kelly Connell and Daniel Dae Kim) The Practice, The X-Files (with Harris Yulin), Angel, Alias (with Terry O'Quinn and Joseph Ruskin), Dexter, House, and The West Wing. The most famous and successful film in which he appeared was The Mask of Zorro. He also appeared in the sequel, The Legend of Zorro, but not in the same role.
Amendola also made a guest appearance in Terminator: The Sarah Connor Chronicles (which also stars Thomas Dekker) playing Sarah's friend Enrique Salceda, taking over the role from Castulo Guerra who played the role in the film Terminator 2: Judgment Day.