who did george wendt play on cheers?
Norm Peterson
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 George Wendt and John Ratzenberger originally auditioned for the role of " George " , and Wendt was cast . In the original script , George was Diane 's first customer at the end of the episode . Annoyed with Diane 's long @-@ winded explanation of how she became a waitress , he delivered his one @-@ word line : " Beer ! " After Wendt was cast , the writers revised the script ; his role evolved into Norm Peterson , the first onscreen customer to enter the bar and " [ badgering ] Diane rather than the other way around " . After Wendt was cast , Ratzenberger suggested to the producers that a know @-@ it @-@ all character be added ; this led to the creation of another character , Cliff Clavin . 

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 It guest starred Rod Steiger as Captain Tenille and Bob Denver as himself , with one @-@ time The Simpsons writer Michael Carrington making an appearance as the Drill Sergeant . This was the last episode Al Jean and Mike Reiss executive produced together , although Jean became show runner again in season 13 . 

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 After appearing in the 1986 films Jumpin ' Jack Flash and ¡ Three Amigos ! , Hartman successfully auditioned for NBC 's variety show Saturday Night Live ( SNL ) and joined the cast and writing staff . He told the Los Angeles Times , " I wanted to do [ SNL ] because I wanted to get the exposure that would give me box @-@ office credibility so I can write movies for myself . " In his eight seasons with the show Hartman became known for his impressions , and performed as over 70 different characters . Hartman 's original Saturday Night Live characters included Eugene , the Anal Retentive Chef and Unfrozen Caveman Lawyer . His impressions included Frank Sinatra , Ronald Reagan , Ed McMahon , Barbara Bush , Charlton Heston , Phil Donahue and Bill Clinton ; the last was often considered his best @-@ known impression . 

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 In the fourth season , four young actors joined the cast : Jermaine Crawford as Duquan " Dukie " Weems ; Maestro Harrell as Randy Wagstaff ; Julito McCullum as Namond Brice ; and Tristan Wilds as Michael Lee . The characters are friends from a West Baltimore middle school . Another newcomer was Norman Wilson ( Reg E. Cathey ) , Carcetti 's deputy campaign manager . 

contradiction
 Everett McGill as Ed Killifer , a corrupt DEA official who frees Sanchez from custody 
