nine episodes over four Star Trek series. Other Star Trek  actors who went on to direct their castmates were  Patrick Stewart (I) (qv), Michael Dorn (I) (qv),  Gates McFadden (qv), Avery Brooks (I) (qv),  Rene Auberjonois (qv), Alexander Siddig (qv),  Andrew Robinson (I) (qv), Robert Duncan McNeill (qv),  Roxann Dawson (qv), Robert Picardo (qv) and Tim Russ (qv).