Michael Nouri Michael Nouri ( born in Washington , DC ) is an actor of Lebanese descent who played Syrran ( also known as Arev ) in the episode . Three costumes , including the one from the opening scene , his regular one , and a distressed version of his latest were sold off on the It ' s A Wrap ! sale and auction on eBay . A graduate of Emerson College in Boston , Massachussetts , Nouri began acting in the late 1960s . He became best known for his role as Jennifer Beals ' boyfriend in the popular 1983 film " Flashdance " . He also gave a notable performance as " Tom Beck " in the 1987 science fiction film " The Hidden " , for which he received a Saturn Award nomination from the Academy of Science Fiction , Fantasy & Horror Films . Wren T . Brown , guest star William Boyett , and fellow " Enterprise " guest actor Larry Cedar . Cedar also starred with Nouri in " The Hidden " . Nouri began acting on television with a role on the soap opera " Somerset " from 1974 through 1975 . Other " Star Trek " performers he co - starred with during his time on this show included Bibi Besch , Barry Jenner , and Mark Lenard . Nouri went on to become a regular on another soap opera , " Search for Tomorrow " , from 1975 through 1978 . This was followed in 1979 with a role in the TV mini - series " The Last Convertible " , co - starring Kim Darby . Nouri played the lead role as notorious gangster " Lucky Luciano " in the 1981 mini - series " The Gangster Chronicles " . Kenneth Tigar and Jonathan Banks were also among the cast of this series , which was later edited into a feature film called " Gangster Wars " . In 1983 , he again worked with his " Somerset " co - star Bibi Besch in the TV movie " Secrets of a Mother and Daughter " . He also played the title role of " Spraggue " in an unsold pilot the following year , co - starring James Cromwell . And in 1986 , he co - starred with Terry O ' Quinn in the TV movie " Between Two Women " . Throughout the 1990s , Nouri appeared in such B - movie - type films as " Little Vegas " ( 1990 , with Bruce McGill ) , " Captain America " ( 1991 , with Ronny Cox and Bill Mumy ) , " Inner Sanctum II " ( 1994 , with David Warner ) , and " Hologram Man " ( 1995 , with Tommy " Tiny " Lister , Jr . and Derek McGrath ) . From 1992 through 1995 , he co - starred with Suzie Plakson in the sitcom " Love & War " . He also began to make guest appearances for episodic television , including " Touched by an Angel " and shows from the franchise . He continued to making guest appearances on such shows as " The Practice " , " The West Wing " , " Without a Trace " ( with Enrique Murciano ) , and " Cold Case " ( with Tracy Middendorf ) . More recent film credits include " Finding Forrester " ( 2000 , with F . Murray Abraham and Matt Malloy ) , " The Terminal " ( 2004 , with Jude Ciccolella ) , and " Last Holiday " ( 2006 ) . He was also among the many " Trek " performers to appear in the acclaimed 2001 TV movie " 61 * " ( portraying Joe DiMaggio ) . His co - stars in this movie include Seymour Cassel , Robert Costanzo , Charles Esten , Bob Gunton , Robert Joy , Christopher McDonald , Bruce McGill , Dell Yount , and " Enterprise " star Connor Trinneer . And in 2002 , he co - starred with Marina Sirtis in the independent sci - fi thriller " Terminal Error " . Of late , he is probably best recognized by television audiences for his recurring role as " Dr . Neil Roberts " on " The O . C . " ( with Melinda Clarke ) , a role he played from 2004 to 2007 , and as Mossad Director Eli David , Ziva David ' s father on the long - running CBS series " NCIS " ( with Rudolf Martin appearing earlier in the series , and in archive footage with Nouri , as Eli ' s son Ari Haswari ) . Other " Trek " performers who appeared in episodes of the latter with Nouri included Brett Rickaby , Stoney Westmoreland , Stan Ivar , and Javier Grajeda . In the tenth and thirteenth seasons , his character ' s successor as Director was played by Sirtis .