(written from a Production point of view)
Kevin B. Grevioux (born 9 September 1962; age 58) is an actor, writer and producer who appeared as a regular background performer, a Starfleet security officer, on the first three seasons of Star Trek: Deep Space Nine. He also played this role in the Star Trek: The Next Generation sixth season episode "Birthright, Part I" and Star Trek Generations. For an Emmy Award presentation for Robert Blackman, Grevioux appeared in full Klingon makeup and wardrobe.
Grevioux attended Howard University, initially studying genetic engineering before switching to film. After moving to Los Angeles, Grevioux met Eddie Murphy, who got him a role in a music video. (Cinefantastique, Vol. 24, No. 3/4, p. 96-97) This music video was Remember the Time by Michael Jackson, filmed in mid-January 1992. The video also featured Trek performers Iman and Tommy "Tiny" Lister, Jr.. 
Grevioux played a parody of Worf in a skit for the very first episode of Madtv. He also appeared in supporting roles in films such as The Mask (with Reg E. Cathey and Robert O'Reilly), Batman Forever (which also featured Rene Auberjonois), Charlie's Angels, Planet of the Apes (with Erick Avari, Cary-Hiroyuki Tagawa, Anne Ramsay and David Warner), and Men in Black II (with Jack Kehler), and television series like Angel and Charmed.
Grevioux was the co-writer and associate producer of the 2003 fantasy film Underworld, in which he also played the supporting role of Raze. He went on co-produce the sequels, Underworld: Evolution and Underworld: Rise of the Lycans, again playing Raze in the latter film. Grevioux was an executive producer on the 2014 horror film I, Frankenstein and played Dekar in the film. The film was based on Grevioux's graphic novel of the same name released by his company DarkStorm Studios.
Star Trek appearances
- "Past Prologue" (Season 1)
- "Captive Pursuit"
- "If Wishes Were Horses"
- "Dramatis Personae"
- "In the Hands of the Prophets"
- "The Siege" (Season 2)
- "Rules of Acquisition"
- "The Alternate"
- "The Maquis, Part I"
- "The Maquis, Part II"
- "The Collaborator"
- "The Jem'Hadar"
- "The Search, Part I" (Season 3)
- TNG: "Birthright, Part I"
- Star Trek Generations