Brad Dourif Bradford Claude Dourif is the American veteran character actor who played the sociopathic Betazoid crewman Lon Suder in three episodes of . He has portrayed a number of memorable characters on both the small and the big screen , with his most well - known including Billy Bibbit in acclaimed film " One Flew Over the Cuckoo ' s Nest " , Doc Cochran in the HBO television series " Deadwood " , Chucky in the " Child ' s Play " series of horror films , and Gríma Wormtongue in the " Lord of the Rings " trilogy . Early life . Dourif was born in Huntington , West Virginia . He attended Aiken Preparatory School in Aiken , South Carolina , from 1963 to 1965 , where he briefly considered becoming an artist before deciding on an acting career . He later attended Fountain Valley School in Colorado Springs , Colorado , from which he graduated in 1969 . Career . 1970s . Dourif made an impression on audiences and critics in one of his first major film roles : that of mental patient Billy Bibbit in the 1975 film " One Flew Over the Cuckoo ' s Nest " ( with Michael Berryman , Jack Nicholson , Christopher Lloyd , Peter Brocco , and Vincent Schiavelli , and make - up by Fred Phillips ) . He won a British Academy of Film and Television Arts ( BAFTA ) Award and a Golden Globe and received an Academy Award nomination as Best Supporting Actor for this role , while his co - star Louise Fletcher won the Academy Award for Best Actress for her performance in the film . In 1978 , Dourif worked alongside s Rene Auberjonois in the horror - thriller " Eyes of Laura Mars " . The following year , Dourif received critical acclaim for his lead role as Hazel Motes in John Huston ' s " Wise Blood " , which co - starred Dan Shor and which was cast by Stratton Leopold . Dourif also worked with Dan Shor in the 1979 miniseries " Studs Lonigan " , which was directed by James Goldstone . 1980s . Dourif was one of several " Star Trek " alumni to appear in the 1980 TV miniseries " Guyana Tragedy : The Story of Jim Jones " ; his co - stars in this production included Meg Foster , Albert Hall , Madge Sinclair , Ed Lauter , and regular LeVar Burton . Dourif then had a supporting role in the infamous 1980 box office flop " Heaven ' s Gate " , as did Terry O ' Quinn . Afterward , Dourif played the role of Younger Brother in the 1981 film " Ragtime " , reuniting with " Cuckoo ' s Nest " director . This film also featured Robert Joy . Dourif ' s next film role was that of sinister mentat Piter DeVries in David Lynch ' s cult 1984 adaptation of Frank Herbert ' s science fiction novel " Dune " , alongside Patrick Stewart ' s Gurney Halleck , Virginia Madsen ' s Princess Irulan and Dean Stockwell ' s Doctor Yueh . Dourif again worked with both Lynch and Stockwell when he played a hoodlum in Lynch ' s surreal , sadomasochistic mystery film " Blue Velvet " . He subsequently co - starred with Whoopi Goldberg and Harris Yulin in the 1987 comedy " Fatal Beauty " and played a deputy in 1988 ' s Academy Award - nominated " Mississippi Burning " . During this time , Dourif also continued to make appearances on television . He worked alongside Dennis Christopher in a 1984 episode of " Tales of the Unexpected " , directed by Leo Penn . He also appeared in a Richard Compton - directed episode of " The Equalizer " with Stephen McHattie and guest - starred on " Spenser : For Hire " , the detective series on which DS9 ' s Avery Brooks was a regular cast member . He was then seen on " Moonlighting " , in an episode with Richard Beymer , and on " The Hitchhiker " , working with Kirstie Alley . In addition , he co - starred in such TV movies as " Vengeance : The Story of Tony Cimo " ( directed by Marc Daniels ) and " Rage of Angels : The Story Continues " ( with Michael Nouri ) , both of which aired in 1986 . " Child ' s Play " . Dourif is well - known for voicing for the serial killer - possessed doll , Charles Lee Ray ( Chucky ) , in the " Child ' s Play " horror films series . The first film in the series , 1988 ' s " Child ' s Play " , starred ' s Catherine Hicks and DS9 guest actor Chris Sarandon . Dourif returned to voice the sadistic toy in four sequels : " 2 " ( which featured Gerrit Graham ) , " 3 " ( with Dakin Matthews and Andrew Robinson ) , " Bride of Chucky " , and " Seed of Chucky " . Dourif even voiced the character for a cameo appearance on NBC ' s " Saturday Night Live " . He is reportedly on board for voicing Chucky in a pending remake of " Child ' s Play " . Later horror and sci - fi works . Following his work on " Dune " and " Child ' s Play " , Dourif has acted in many horror , science fiction , or fantasy genre films . In 1990 , he was seen in several horror films , including " The Exorcist III " , " Graveyard Shift " ( which co - starred David Andrews and Stephen Macht ) , and " Spontaneous Combustion " ( with Dey Young ) . He later had a supporting role in the horror / sci - fi film " Critters 4 " , along with Anne Elizabeth Ramsay , and in the horror - thriller " Trauma " , with Jacqueline Kim . In 1994 , Dourif guest - starred on the popular science fiction series . He subsequently appeared on such genre series as ( opposite Megan Gallagher , Terry O ' Quinn , and Morgan Woodward ) and ( with Andreas Katsulas , Bill Mumy , and Patricia Tallman ) . He also appeared in the 1995 sci - fi TV movie " Escape to Witch Mountain " , working with Henry Gibson , Kevin Tighe , and " Cuckoo ' s Nest " co - star ( and fellow " Trek " alum ) Vincent Schiavelli . In 1997 , Dourif appeared in the fourth " Alien " film , " Alien : Resurrection " , along with Raymond Cruz , Leland Orser , Ron Perlman , and Winona Ryder . In 2002 , he appeared as the evil Grima Wormtongue in the blockbuster fantasy film " The Lord of the Rings : The Two Towers " , which co - starred John Rhys - Davies and Karl Urban . Dourif ' s only scene in the third film , " Return of the King " , was cut from the theatrical release but was restored in the special edition DVD . Dourif ' s other genre credits include the horror films " Soulkeeper " ( with Tommy " Tiny " Lister , Jr . ) , " Vlad " ( with Paul Popowich and Guy Siner ) , and " Pulse " ( with Zach Grenier ) . He also appeared in the 2007 remake of the horror film " The Wizard of Gore " with Jeffrey Combs . More recently , Dourif played Sheriff Lee Brackett in ' s remake of the classic horror film " Halloween " . Malcolm McDowell and veteran genre players Sid Haig , Clint Howard , Richard Lynch , Daniel Roebuck , Tom Towles and Adrienne Barbeau also had roles in this film ( although Barbeau ' s scenes were cut from the final product ) . Dourif , McDowell , and Roebuck reprised their roles in the 2009 sequel , " Halloween 2 " . Other film and television credits . Dourif played ruthless drug dealer Joey Wyatt in a 1987 episode of the popular action series " Miami Vice " . He was seen in Spike Lee ' s 1991 romantic drama " Jungle Fever " , and , in 1994 , he played one of the several patients of a psychiatrist played by Scott Bakula in the thriller " Color of Night " , which also co - starred Erick Avari and Jeff Corey . Dourif then had a supporting role in the 1995 thriller " Murder in the First " , co - starring Christian Slater , Ben Slack , Eve Brenner , Time Winters and Stefan Gierasch . Some of Dourif ' s lesser - known film credits include 1997 ' s " Sworn to Justice " with TOS star Walter Koenig and 2000 ' s " Shadow Hours " with TNG ' s Michael Dorn and " Enterprise " guest star Peter Weller . In 2001 , he acted with Cary - Hiroyuki Tagawa in the action - thriller film " The Ghost " . From 2004 through 2006 , Dourif starred as Doc Cochran on HBO ' s Western series " Deadwood " , which earned him an Emmy Award nomination as Best Supporting Actor . This series also featured Leon Rippy , Alice Krige , Jim Beaver , Titus Welliver , Larry Cedar , and Keone Young . In 2008 , Dourif guest - starred on the NBC drama " Law & Order " , in an episode with Michael McKean . That same year , he appeared with Lee Meriwether in the drama film " Touching Home " . More recently , he had a supporting role in the acclaimed 2009 crime film " The Bad Lieutenant : Port of Call New Orleans " , inspired by the 1992 ' s " Bad Lieutenant " . Video games . Dourif played the part of the villain Saavedro in the computer game " Myst III : Exile " . He lent his voice to the 2002 video game " Run Like Hell " , as did his " Voyager " co - star Kate Mulgrew and " Enterprise " guest star Clancy Brown . Also , both Dourif and Ron Perlman voiced two of the villains in the hit 2005 game " Gun " . Additionally , Dourif performed voice acting for the Natural Philosopher Piero Joplin , a supporting character in the 2011 game " Dishonored " .