Justin Shenkarow Justin Moran Shenkarow is an actor and voice artist who provided background voices for J . J . Abrams ' . His voice can be heard during battle scenes and he also had to learn and study the Klingon language for the film . Personal . Shenkarow was born in Torrance , California and has started his acting career as a child actor at the age of nine . In 2001 he graduated from the Stanford University with a BA in Business and also studied art history one year in Paris , France . Since 2004 he has been a member of the Screen Actors Guild Board and for several years he is the National Chairman of the Young Performer ' s Committee at the Screen Actors Guild . Throughout his career he earned several awards and nominations , including two Screen Actors Guild Award nominations for Outstanding Performance by an Ensemble in a Drama Series as part of the cast of " Picket Fences " in 1995 and 1996 and four Young Artist Award nominations between 1992 and 1995 . Shenkarow founded the production company " Shake That Fro Productions " for which he directed and starred in three short films and which has several productions in development . The short films include the comedy " The Best Christmas Ever " ( 2006 ) on which he served as co - writer , producer , executive producer , and actor , and the crime film " Decoy " ( 2006 ) as director , executive producer , and producer along with " Star Trek : New Voyages " actor Ben Tolpin . Acting career . Shenkarow ' s first acting credit was the 1989 television comedy " Dad ' s a Dog " followed by guest roles in " Who ' s the Boss ? " ( 1990 ) and " the Fresh Prince of Bel - Air " ( 1990 , starring James Avery ) and the television drama " A Family for Joe " ( 1990 , with Barbara Babcock and Nikki Cox ) . Between 1991 and 1992 he portrayed Simon Holmes , best friend to lead character Marshall Teller in 19 episodes of the mystery series " Eerie , Indiana " in which fellow " Trek " actors Francis Guinan , Jason Marsden , and Gregory Itzin also had recurring roles . After the series was cancelled , Shenkarow took over the part of Matthew Brock , son of the sheriff and lead character in ' s award winning drama series " Picket Fences " which ran four seasons until 1996 . Fellow " Trek " actors Ray Walston , Kelly Connell , Roy Brocksmith , Leigh Taylor - Young , Michael Keenan , Lisa Chess , Sam Anderson , and Cristine Rose were also among the regular and recurring cast . Beside his regular work on the two television series , Shenkarow performed in a few other productions such as the comedy " The Opposite Sex and How to Live with Them " ( 1992 , with Mitchell Ryan , Aaron Lustig , John DeMita , and Amanda Foreman ) followed by guest roles in the television series " Profiler " ( 1998 , with Dennis Christopher ) , " Home Improvement " ( 1998 , with Courtney Peldon and Kaj - Erik Eriksen ) , " Boston Public " ( 2001 , starring Jeri Ryan ) , and " Strong Medicine " ( 2003 , with Adam Grimes ) . Further acting work includes the television horror film " House of the Dead 2 " ( 2005 , with James Parks , Mark A . Altman , and David Mattey ) , the horror comedy " Comdey Hell " ( 2006 , with J . C . Brandy , Marty Rackham , Jim O ' Heir , and Christopher Allen Nelson ) , the short drama " Tears " ( 2006 ) , the " Aliens in America " pilot episode ( 2007 , with Amy Pietz ) , and more recently the drama " Fuel " ( 2009 ) . Voice work . Since 1992 , Shenkarow has provided his voice to animated series , television , and film productions . His first film was the animated television special " It ' s Spring Training , Charlie Brown ! " in 1992 in which he voiced the leading character . Noley Thornton also provided her voice to this production . He lent his voice to characters in the series " Batman " ( 1992 ) , " Where on Earth is Carmen Sandiego ? " ( 1994 ) , " Beethoven " ( 1994 - 1995 , with Brian George ) , " The Little Mermaid " ( 1994 , with Kenneth Mars ) , " Gargoyles : The Goliath Chronicles " ( 1996 , with Salli Richardson - Whitfield and W . Morgan Sheppard ) , " 101 Dalmatians : The Series " ( 1997 , with Pamela Adlon , Frank Welker , David L . Lander , and Michael McKean ) , " Hey Arnold ! " ( 1996 - 1997 , with Rick Fitts , Dan Butler , and Olivia Hack ) , " Life with Louie " ( 1995 - 1998 , with Tommy Hinkley ) , and " Recess " ( 1999 , with Rickey D ' Shon Collins , Pamela Adlon , and Frank Welker ) . Further voice work includes the video games " Shadow of Memories " ( 2001 ) , " Gurumin " ( 2004 ) , " Lost Planet : Extreme Condition " ( 2006 , with Tim Russ ) , and " Lost Planet : Colonies " ( 2008 , also with Tim Russ ) , the animated projects " Lloyd in Space " ( 2001 - 2003 , with Michelle Horn , Diedrich Bader , Clancy Brown , and Brian George ) , " Recess : School ' s Out " ( 2001 , with Rickey D ' Shon Collins , Pamela Adlon , Diedrich Bader , Andrea Martin , Ron Glass , Clancy Brown , Tony Jay , and Clyde Kusatsu ) , " Totally Spies ! " ( 2002 ) , " Hey Arnold ! The Movie " ( 2002 , with Paul Sorvino , Christopher Lloyd , Vincent Schiavelli , and Olivia Hack ) , " Kim Possible " ( 2004 , with Tahj Mowry , Earl Boen , and Frank Welker ) , " Barnyard " ( 2006 , with Nicholas Guest ) , " W . I . T . C . H . " ( 2005 - 2006 ) , and " The Emperor ' s New School " ( 2007 ) . In addition , Shenkarow provided his voice to the ADR loop group as background voice for movies such as ' s horror film " Scream " ( 1996 ) , the comedy " Our Lips Are Sealed " ( 2000 , with Jack Blessing ) , the comedy " Grandma ' s Boy " ( 2006 ) , the comedy " American Pie Presents The Naked Mile " ( 2006 ) , the comedy " Garfield : A Tail of Two Kitties " ( 2006 , with Ian Abercrombie , Greg Ellis , and Diz White ) , the drama " Knocked Up " ( 2007 ) , the drama " The Jane Austen Book Club " ( 2007 , with Richard Miro ) , and more recently the science fiction remake " The Day the Earth Stood Still " ( 2008 , with Courtney Peldon , Steve Kehela , and Rif Hutton ) , the comedy " Bride Wars " ( 2009 , with Lynnanne Zager ) , and the superhero prequel " X - Men Origins : Wolverine " ( 2009 , with Patrick Stewart ) .