John Doman John Doman is the American actor who played Lenaris Holem in the episode . This was his first guest appearance on an episodic television series . He later went on to star as Acting Police Commissioner William A . Rawls on the HBO drama series " The Wire " , co - starring Reg E . Cathey and later starred as Rodrigo Borgia ( Pope Alexander VI ) in the Canal + series " Borgia " . Doman is currently playing Carmine Falcone in " Gotham " . Doman was born in Philadelphia , Pennsylvania . He served in the US Marine Corps and fought in the Vietnam War , after which he graduated from the University of Pennsylvania with a masters degree in business administration . He then worked as a marketing executive before becoming an actor . He made his first television appearance in the 1993 ABC movie " Empty Cradle " , starring Penny Johnson and Kate Jackson ; Stefan Gierasch and Aaron Lustig also appeared in this movie . His first major feature film credit was the 1995 action sequel " Die Hard with a Vengeance " . That same year , he was seen in the independent drama " The Journey of August King " , starring Larry Drake , and the horror movie " Doctor Unknown " , co - starring Clancy Brown , Steven Culp , and Alice Krige . Throughout the remainder of the 1990s , Doman appeared in such films as " Little Boy Blue " ( starring John Savage ) , " Mercury Rising " ( co - starring Jude Ciccolella , Kevin Conway , John Carroll Lynch , James MacDonald , Steve Rankin , and Richard Riehle ) , and " Claire Dolan " ( starring Colm Meaney ) . He also appeared in a 1999 episode of the police drama " NYPD Blue " with series regular Gordon Clapp and fellow guest - star Pat Healy . From 1999 through 2003 , Doman played the recurring role of Dr . Carl Deraad on NBC ' s long - running medical drama " ER " . During his time on this series , Doman has appeared with such " Star Trek " alumni as Erich Anderson , Sam Anderson , Brad Blaisdell , Michelle Bonilla , Steven Culp , Gregg Daniel , Stephanie Erb , Teri Garr , Gina Hecht , Penny Johnson , Benjamin Lum , Lily Mariye , Freda Foh Shen , Michael Buchman Silver , Cress Williams , Wade Williams , and Sam Witwer . In 2001 , Doman had a recurring role on the HBO series " Oz " . The following year , he began starring on " The Wire " , also for HBO . Doman also recurred on " CSI " in 2003 , appearing with fellow " Star Trek " veterans David Andrews , John Kassir , Rudolf Martin , Jeffrey Dean Morgan , and Scott Alan Smith . Doman has also guest - starred on such series as " The Practice " ( with Brad Greenquist and Dey Young ) , " Judging Amy " ( with Ellen Albertini Dow , Tim Kelleher , and Barbara Tarbuck ) , " NCIS " ( directed by Terrence O ' Hara ) , " Close to Home " ( starring Cress Williams ) , and " Without a Trace " ( with Enrique Murciano and Bill Smitrovich ) . In addition , Doman has made multiple appearances on the various " " series since 1991 . He has guest - starred in five episodes of the original " " ( including one with Robert Harper and another with Robert Lansing ) , four episodes of " " , and one episode each of " " and " " ( in an episode with William Sadler ) . In all these appearances , however , he never played the same role twice . Doman also had recurring roles in " Damages " , " Rizzoli & Isles " , and " Person of Interest " . Doman ' s recent film credits include " Besotted " ( 2001 , with Richard Cox ) , the made - for - TV " Three Blind Mice " ( 2001 , with Rosalind Chao ) , " Emmett ' s Mark " ( 2002 , with Carolyn McCormick ) , " City by the Sea " ( 2002 , with Mark La Mura ) , " Noel " ( 2004 ) , " Lonely Hearts " ( 2006 , with Alice Krige ) , and " Gracie " ( 2007 ) . He also had a brief role in the 2003 Academy Award - winning drama " Mystic River " and a major role in the 2006 drama " Fatwa " . His upcoming films include the western revenge tale " Shoot First and Pray You Live ( Because Luck Has Nothing to Do with It ) " ( with Clay Wilcox ) and the mystery " All Good Things " ( co - starring Kirsten Dunst and Frank Langella ) .