Leigh J . McCloskey Leigh Joseph McCloskey is an actor , artist , and author who appeared in two episodes of and . He first appeared as the Ilari Tieran in the " Star Trek : Voyager " third season episode for which he filmed his scenes on Tuesday on Paramount Stage 9 and on Friday on Paramount Stage 16 . His costume from this episode was later sold off on the It ' s A Wrap ! sale and auction on eBay . His second " Trek " appearance was in the " Star Trek : Deep Space Nine " seventh season episode in where he portrayed an illusory Joran Belar , a role which was previously portrayed by Jeff Magnus McBride in the third season episode . Born in Los Angeles , California , McCloskey attended the Juilliard School in New York where his roommate was fellow " Star Trek " guest actor Kelsey Grammer . McCloskey has started his acting career in the 1970s with appearances in " Phyllis " ( 1975 ) , " The Streets of San Francisco " ( 1975 , with Eric Server ) , " Rich Man , Poor Man " ( 1976 , with Lawrence Pressman , Kim Darby , and Fionnula Flanagan and executive produced by Harve Bennett ) , " Hawaii Five - O " ( 1977 , with Jack Lord ) , " The Paper Chase " ( 1979 , with Charles Hallahan and Tony Plana ) , and " Buck Rogers in the 25th Century " ( 1979 , with Tim O ' Connor , Felix Silla and Patty Maloney ) . He played the lead role in the drama series " Executive Suite " ( 1976 - 1977 , along with Mitchell Ryan , Sharon Acker , Byron Morrow , Madlyn Rhue , William Smithers , and Richard Cox ) and " Married : The First Year " ( 1979 , with Claudette Nevins and K Callan ) . Film work in the 1970s include the television movies " Dawn : Portrait of a Teenage Runaway " ( 1976 , with William Schallert and Paul Sorensen ) , " Alexander : The Other Side of Dawn " ( 1977 , with Jonathan Banks ) , " The Bermuda Depths " ( 1978 ) , and " Doctor ' s Private Lives " ( 1978 , with Barbara Anderson and Kim Hamilton ) . Between 1980 and 1988 , he played Mitch Cooper in 46 episodes of the primetime soap " Dallas " and worked with Susan Howard , Joshua Harris , William Smithers , John Beck , Morgan Woodward , and Mary Crosby . Between 1988 and 1990 he first portrayed Dr . Zach Kelton and later Ethan Asher for 246 episodes in the daily soap " Santa Barbara " . Among his numerous guest roles in the 1980s are episodes of " Hart to Hart " ( 1981 , with Ron Glass ) , " The Fall Guy " ( 1983 ) , " Mike Hammer " ( 1984 , with Nick Dimitri ) , " Fantasy Island " ( 1984 , with Ricardo Montalban ) , " The Love Boat " ( 1983 - 1985 , with Jim Lau and Teri Hatcher ) , " Murder , She Wrote " ( 1986 , with Michael Horton ) , " Hotel " ( 1983 , 1985 and 1986 , with Michael Spound , Michelle Phillips , Leigh Taylor - Young , Alan Oppenheimer , and Nehemiah Persoff ) , and " The Bronx Zoo " ( 1988 ) . Film work in the 1980s include the comedies " Fraternity Vacation " ( 1985 , with Matt McCoy and Charles Rocket ) , " Just One of the Guys " ( 1985 , with Clayton Rohner , Kenneth Tigar , Stuart Charno and Katy Boyer ) , " Hamburger : The Motion Picture " ( 1986 , with Jack Blessing , Bob Minor , and Tony Epper ) , and " Dirty Laundry " ( 1987 , with Nicholas Worth and Herta Ware ) , and the action thriller " Double Revenge " ( 1988 , with Vinny Argiro and Matt Roe ) . Beside his work on " Star Trek " in the 1990s , McCloskey also appeared in episodes of " Jake and the Fatman " ( 1992 , with Sam Anderson ) , " Raven " ( 1993 , directed by James Darren ) , " Chicago Hope " ( 1994 , with Salome Jens ) , " 3rd Rock from the Sun " ( 1997 ) , " Babylon 5 " ( 1998 , with Tracy Scoggins , Patricia Tallman , Andreas Katsulas , Julie Caitlin Brown , Robin Atkin Downes , and Walter Koenig ) , " JAG " ( 1999 , with Ray Buktenica , Brian George , Paul Collins , and Diane DiLascio ) , and " Beverly Hills , 90210 " ( 1999 , with Matthew Faison ) and had a recurring role as Damian Phillips in the daily soap " General Hospital " ( 1996 ) . McCloskey originated the role of Dr . Kurt Costner in the daily soap " The Young and the Restless " when he appeared in three episodes in 1996 / 1997 . In 2013 he reprised this role and appeared in fifteen more episodes . Other projects include the television drama " Trouble Shooters : Trapped Beneath the Earth " ( 1993 , with Gary Graham , Leslie Ackerman , and Michael Ensign ) , the television thriller " Accidental Meeting " ( 1994 , with Shawn Crowder ) , the television thriller " Terror in the Shadows " ( 1995 , with Cully Fredricksen and Michael Reilly Burke ) , and the drama " I Might Even Love You " ( 1998 ) . Among his most recent acting work are the aforementioned recurring role in the daily soap " The Young and the Restless " , the television crime drama " Gone But Not Forgotten " ( 2005 , with Concetta Tomei , Beau Billingslea , David Lee Smith , and Robin Lynn Bonaccorsi ) , the short comedy " An Elaborate Plan " ( 2009 , with Scott Thompson ) , an episode of " Bones " ( 2011 , with Scott Barry ) , and the short drama " Before Your Eyes " ( 2014 ) . McCloskey also appeared in a number of documentaries such as " The Truth Is Out There " ( 2011 , with Chase Masterson and Tucker Smallwood ) , " XeNation ? : Consciousness " ( 2015 ) , " XeNation ? : MPO " ( 2015 ) , and " Spirit of Evolution " ( 2016 ) .