(written from a Production point of view)
Patrick Michael (also known as Patrick Michael Williamson or Patrick Williams) is an actor who appeared as an Enterprise-A crewman in the two Star Trek feature films Star Trek V: The Final Frontier and Star Trek VI: The Undiscovered Country. As a background actor he received no credit for his appearances.  In addition, he served as a stand-in for Leonard Nimoy on Star Trek VI.
Michael was one of the hosts for the television show Travelers in 1996, along with Michelle Krusiec. He also appeared as a FBI agent in the Line of Fire pilot episode in 2003 which featured Trek performers Leslie Hope and Vyto Ruginis and as Agent Burns in the 2009 drama No Boundaries.