Wayne Elliot Knight is an American actor and former private investigator. In television, he played Newman in Seinfeld (1992-1998) and Officer Don Orville in 3rd Rock from the Sun (1996-2001). His other television roles include Mr. Blik in Catscratch (2005-2007) and Haskell Lutz in The Exes (2011-2015). He voiced the Jack O'Lantern in The Grim Adventures of Billy & Mandy (2000-2008), Zurg in Buzz Lightyear of Star Command (2000-2001) and Dojo in Xiaolin Showdown (2003-2006). In film, he played Dennis Nedry in Jurassic Park (1993), which earned him a Saturn Award for Best Supporting Actor nomination. Knight also portrayed Stan Podolak in Space Jam (1996), Zack Mallozzi in Rat Race (2001) and Microchip in Punisher: War Zone (2008) and provided voiceover work for Al McWhiggin in Toy Story 2 and Tantor in Tarzan (both 1999).