The following is a list of all the roles Simon has played in television and movies. The links below will take you to the IMDB page for the movie or show.

Film

• A Serious Man (2009) …. Rabbi Scott
• Walk Hard: The Dewey Cox Story (2007) …. Dreidel L’Chaim
• Mama’s Boy (2007) …. Rathkon
• Evan Almighty (2007) …. Staffer
• Careless (2007) …. Stewart
• For Your Consideration (2006) …. Junior Agent
• The TV Set (2006) …. TJ Goldman
• Bickford Shmeckler’s Cool Ideas (2006) …. Al
• The Pity Card (2006) …. Simon
• Derek & Simon: A Bee and a Cigarette (2006) …. Simon
• Good Night, and Good Luck. (2005) …. CBS Page
• A Cinderella Story (2004) …. Terry Anderson
• Old School (2003) …. Jerry
• Van Wilder (2002) …. Vernon
• Mumford (1999) …. College Roomate

Television

• “The Big Bang Theory” …. Howard Wolowitz (All episodes, 2007-2010)
• The 61st Primetime Emmy Awards (2009) …. Moist
• “Dr. Horrible’s Sing-Along Blog” …. Moist (3 episodes, 2008)
  • Act III
  • Act II
  • Act I
• “The Minor Accomplishments of Jackie Woodman” …. Matt Menard (1 episode, 2007)
  • Bad Luck Brad
• “Derek and Simon: The Show” …. Simon (13 episodes, 2007)
• “Studio 60 on the Sunset Strip” …. Alex Dwyer (14 episodes, 2006-2007)
• “Joey” …. Seth (4 episodes, 2004-2006)
  • Joey and the Wedding (2006)
  • Joey and the Big Move (2006)
  • Joey and the Assistant (2005)
  • Joey and the Party (2004)
• “The Jake Effect” …. Bill Skidelsky (1 episode, 2006)
  • Flight School
• “Arrested Development” …. Jeff (1 episode, 2005)
  • Meat the Veals
• “Life on a Stick” … (2 episodes, 2005)
  • Liking Things the Way They Aren’t … Vinnie
  • Pilot … Stan
• “Unscripted” … (2 episodes, 2005)
  • Episode #1.6 …. Casting Assistant
  • Episode #1.5 (uncredited) …. Simon
• “Reno 911!” … (2 episodes, 2004)
  • Raineesha X …   Student Driver
  • Not Without My Mustache …   Hooker Buying Son
• “Quintuplets” …. Neil (1 episode, 2004)
  • Get a Job
• “Less Than Perfect” …. Arthur (1 episode, 2003)
  • It Takes a Pillage
• Tracey Ullman in the Trailer Tales (2003)  …. Adam (DGA Trainee)
• “MADtv” …. Various (5 episodes, 2002-2003)
  • Episode #8.16 (2003)
  • Episode #8.10 (2002)
  • Episode #8.9 (2002)
  • Episode #8.7 (2002)
  • Episode #8.6 (2002)
• “The O’Keefes” …. Mumps (1 episode, 2003) Election
• “Sabrina, the Teenage Witch” …. The Spokesman (1 episode, 2002)
  • Time After Time
• The Funkhousers (2002)  …. Donnie Funkhouser
• “Undeclared” …. Jack (1 episode, 2001)
  • Prototype (2001)
• “Son of the Beach” …. Billy (1 episode, 2001)
  • It’s Showtime at the Apollo 13!
• Ruling Class (2001) (TV) …. Fred Foster
• “Cursed” …. Andy Tinker (1 episode, 2001)
  • …And Then Jack Became the Voice of the Cougars
• “Popular” …. Gus Latrine (1 episode, 2001)
  • Coup