Beside his appearances on Star Trek, Trost had guest parts in episodes of TV 101 (1989, with Leon Russom and Cristine Rose), Dragnet (1990), Adam 12 (1990, with Peter Parros), and General Hospital (1991, with Rosie Malek-Yonan). He also appeared in the television thriller By Dawn's Early Light (1990, with Kieran Mulroney, Nicolas Coster, Ken Jenkins, Randal Patrick, Daniel Benzali, Robert O'Reilly, Ann Gillespie, Glenn Morshower, Jon Steuer, Paul Tompkins, Steve Rankin, and Mike Gomez).