Real world article
(written from a production point of view)
...as a Nausicaan bodyguard
James Lomas is a professional dart player who appeared as a Nausicaan bodyguard in the Star Trek: Deep Space Nine fourth season episode "Bar Association". As a background performer, he received no on-screen credit for this appearance. The story for this episode required two performers who had experience in playing darts and Lomas took the role alongside fellow dart player Shawn McConnell. Both Lomas and McConnell also worked as dart advisors for DS9.