In 1985, Armstrong portrayed drill instructor Sergeant Williams in a production of the play Tracers at the Coronet Theater in Los Angeles.[4] In 1989, he played Father Larkin, a priest-principal of a Catholic school, in Stand-up Tragedy at the Mark Taper Forum in Los Angeles.[5][6] In 1992 he appeared in an episode of Quantum Leap as Fred Trump (alongside his future Enterprise co-star Scott Bakula).[2] In 2008, he had the role of Will Torrey, an American union representative in Ravensridge at the Fremont Centre Theatre in South Pasadena, California.[7][8]
^Vaughn Armstrong (April 9, 2003). Guest Star Profile: Vaughn Armstrong (DVD). Paramount. Event occurs at 7 seconds. ASINB00062IDLA.