- Jessica Moyes as Brooke Rogers (Brooke Rodgers)
- Shawn Potter as Zeke Matthews
- Stuart Stone as Brian Colson
- Kathryn Greenwood as Ms. Walker
- Julia Chantrey (a.k.a. Julie Annis) as Tina Powell
- Philip Eddolls as Corey Sklar
- Eric Fink as Emile
- John Bayliss as Mr. Levy
- Boyd Banks as Mr. Johnson
- Daryl Jaye as Robert Hernandez
Differences from the book
"Phantom of the Auditorium" was released on DVD on September 13, 2011, as the second episode on Attack of the Mutant. It was included in a 3-Pack Thriller DVD on August 26, 2014.
|Title||Release date||Media type|
Attack of the Mutant
|September 13, 2011||DVD|
|August 26, 2014||DVD|
- The name between Zeke's and Brooke's on the play cast list is Patrick Doyle. Patrick Doyle was a co-producer for the television show.
- Julie Annis (now Julia Chantrey), who was cast as Tina, was later cast as Terri in the 2000 Disney film, Phantom of the Megaplex. Both this episode and the Disney film are parodies of The Phantom of the Opera.
- Philip Eddolls (Corey Sklar) played Shane in season two's, "Attack of the Jack-O'-Lanterns".
- The DVD release of the episode has the credits music continuously playing, even after the credits have ended.