Robert Bauer Robert Bauer is the actor , musician , writer , and producer who portrayed the Klingon Kunivas in the episode . Footage of this appearance was later re - used in the second season episode . Bauer is a professional drummer who used to play in the band " The Watch " in which fellow " The Next Generation " co - star Michael Dorn played the bass . Bauer is probably best known for his portrayal of Johnny Horne , the mentally ill older brother of actress in ' s cult series " Twin Peaks " . Bauer also filmed scene for the feature film prequel " Twin Peaks : Fire Walk with Me " in 1992 but his scenes were deleted . On " Twin Peaks " he worked with " Trek " alumni Mädchen Amick , Richard Beymer , Ray Wise , Miguel Ferrer , Wendy Robie , Michael John Anderson , David Warner , and Brenda Strong . Following " Twin Peaks " , Bauer and friend and actor , brother of Daphne Ashbrook , founded the film company " Bauerbrook Films " . Among his first film roles are parts in the drama " Desperate Characters " ( 1971 , with Kenneth Mars ) , the music comedy " This Is Spinal Tap " ( 1984 , with Michael McKean and Ed Begley , Jr . ) , and the comedy " The Sure Thing " ( 1985 , with John Putch , Larry Hankin , and Christopher Rydell ) . Following his appearance on " Star Trek " , Bauer had featured parts in the comedy " The Big Picture " ( 1989 , with Michael McKean , Teri Hatcher , Stephen Collins , and Stan Ivar ) , the television drama " Parker Kane " ( 1990 , with William Lucking , Henry Kingi , Sr . , James Ingersoll , and Todd Feder ) , the comedy " Father of the Bride " ( 1991 , with Frank Kopyc ) , the television drama " Something to Live for : The Alison Gertz Story " ( 1992 , with George Coe , Janet MacLachlan , Victor Brandt , and Neil Vipond ) , and in the television production " A Spinal Tap Reunion : The 25th Anniversary London Sell - Out " ( 1992 , with Michael McKean ) . He also had guest parts in episodes of " Living Dolls " ( 1989 ) , " Father Dowling Mysteries " ( 1991 , with Stanley Kamel , Richard Riehle , Debi A . Monahan , and David Anthony Marshall ) , " Quantum Leap " ( 1991 , starring Scott Bakula and Dean Stockwell ) , and " In Living Color " ( 1991 ) . Between 1992 and 1993 he portrayed the recurring character Jordan in the comedy series " Flying Blind " . The series also featured Cristine Rose , Charles Rocket , and Aaron Lustig . Further credits include the crime thriller " Boogie Boy " ( 1998 , with Karen Sheperd , Phil Culotta , and James Lew ) , the drama " 54 " ( 1998 , with Ellen Albertini Dow ) , the comedy " Dirk and Betty " ( 1999 , with Pamela Adlon ) , the action film " Intrepid " ( 2000 , with Kevin Rahm , Johnny Martin , Clive Revill , and Warren Munson ) , and the television drama " A Time to Remember " ( 2003 , with Megan Gallagher , Louise Fletcher , Rosemary Forsyth , and Erich Anderson ) . Bauer also had guest roles in episodes of " NYPD Blue " ( 1994 , with Gordon Clapp , Sharon Lawrence , and Jack Shearer ) , " M . A . N . T . I . S . " ( 1994 , with Galyn Görg and Malachi Throne ) , " Party of Five " ( 1995 , with Scott Grimes and Angela Dohrmann ) , " Sabrine , the Teenage Witch " ( 1999 ) , " Yes , Dear " ( 2000 , with Don Most and Michael Owen ) , and " The Lot " ( 2001 , with Tami - Adrian George , Jonathan Frakes , and Kim Rhodes ) . Since 1990 he is also working as producer on projects such as the short drama " Marilyn Hotchkiss ' Ballroom Dancing and Charm School " ( 1990 ) , the short film " Waiting for Woody " ( 1998 , with Pamela Adlon ) , his directorial debut " Dirk and Betty " ( 1990 ) , the short comedy " The Ingrate " ( 2004 ) , and the comedy " Waitress " ( 2007 ) . In 2007 he and Alexandra Wentworth created the comedy series " Head Case " which was aired between 2007 and 2009 in three seasons and on which he also worked as Executive Producer , Writer , and Unit Production Manager .