Real World article
(written from a Production point of view)
Shawn, Chain of Command Part II

Shawn on a makeup continuity polaroid

Madreds guard 1 a Cardassian guard

Shawn is the first name of the actor who appeared as a Cardassian guard in the Star Trek: The Next Generation sixth season episode "Chain of Command, Part I" and "Chain of Command, Part II" in 1992. He received no credit for his appearances.