Execution at Triste In a nearly deserted town, Trampas is greeted by a death threat from an obsessed gunfighter (Robert Lansing). Mavis: Sharon Farrell. Burt: Burt Douglas. Details Casts Title Execution at Triste Genres Western Drama Release Date 1967-12-13 Episode Runtime 01 Hours 30 Minutes Season Number 6 Episode Number 13 Production Companies Universal Television, Revue Studios, NBC Doug McClure Trampas James Drury The "Virginian" Clu Gulager Emmett Ryker Sara Lane Elizabeth Grainger Charles Bickford John Grainger Don Quine Stacey Grainger