Robert MacKenzie
Robert MacKenzie is the actor who played Trazko in the Star Trek: Deep Space Nine second season episode "Necessary Evil".
His previous television credits include V (in which he co-starred with Anthony De Longis, John McLiam, Duncan Regehr, and Jeff Yagher), L.A. Law (starring Corbin Bernsen), Hunter, Beverly Hills, 90210 (with Ann Gillespie), and Quantum Leap (1993, starring Star Trek: Enterprise actors Scott Bakula and Dean Stockwell). He also appeared in The Incident (1990, co-starring William Schallert), and Never Forget (1991, starring Leonard Nimoy). Both of these movies were directed by Joseph Sargent.
His latest screen appearance was in the 1995 TV movie Liz: The Elizabeth Taylor Story, co-starring Judith Jones, Michael McGrady, Eugene Roche, and Ray Wise.