(written from a Production point of view)
James R. Tweedell is an actor who appeared as an alien bistro patron in the Star Trek: Enterprise first season episode "Two Days and Two Nights". He received no credit for this appearance but was identified by the call sheet of the episode which listed him as "4 MB Man". Tweedell filmed his scenes on Monday 25 March 2002 on Paramount Stage 9. He previously played two different Romulans in two episodes of Star Trek: Deep Space Nine. His uniform from these episodes was previously worn by Dennis Madalone and Jay Marks on DS9 and by Ty Murphy in the Star Trek: Voyager fourth season episode "Message in a Bottle" and was later sold off on the It's A Wrap! sale and auction on eBay. 
Beside his work on Star Trek, Tweedell worked as background actor on films and television series such as Alien Nation (1989-1990, starring Gary Graham, Eric Pierpoint and Michele Scarabelli) and Batman Forever (1995, with Rene Auberjonois, Michael Scranton, Eileen Seeley, Ray Uhler, and Kevin Grevioux). He also appeared in Tupac Shakur's music video "Trapped" (1992) as a cop.