Editing Galaxy Quest (section)

== Cast ==
{{multiple image
| align     = right
| total_width = 400
| perrow    = 3
| footer    = The actors playing the original ''Protector'' crew on ''Galaxy Quest'', from left to right: (top) [[Tim Allen]], [[Sigourney Weaver]], [[Alan Rickman]], (bottom) [[Tony Shalhoub]], [[Sam Rockwell]], and [[Daryl Mitchell (actor)|Daryl Mitchell]]
| image1    = Tim Allen 2012.jpg
| image2    = Sigourney Weaver by Gage Skidmore.jpg
| image3    = Alan Rickman cropped and retouched.jpg
| image4    = Tony Shalhoub.jpg
| image5    = Sam Rockwell Shankbone 2009 Tribeca.jpg
| image6    = DarylMitchellEmmysSept09.jpg

}}
<!--Cast per closing credits order and roles, stop just before "Fan #1"-->
* [[Tim Allen]] as Jason Nesmith, who played Commander Peter Quincy Taggart, the commander of the NSEA ''Protector'' and main character of the series. He is initially a smug ham actor who thrives on his attention within the fandom but is more interested in partying than keeping his schedules.
* [[Sigourney Weaver]] as Gwen DeMarco, who played Lieutenant Tawny Madison, the ship's communications officer and the only officer aboard who can give orders to the ship's computer. She resents how she was more of a sex-object than a character on the show.
* [[Alan Rickman]] as Alexander Dane, who played Dr. Lazarus, the ship's science officer and a member of the Mak'tar, an alien species known for their superhuman intelligence and psionic powers. As a Shakespearean actor, he is the most resentful of his character and his catchphrase: "By Grabthar's Hammer, by the Suns Of Warvan, you shall be avenged!"
* [[Tony Shalhoub]] as Fred Kwan, who played Tech Sergeant Chen, the ship's chief engineer, who enters a relationship with Laliari.
* [[Sam Rockwell]] as Guy Fleegman, the cast's handler at conventions who also played "Crewman #6", a short-lived minor character, in a single episode. In the revival, he gains a part as Security Chief "Roc" Ingersol.
* [[Daryl Mitchell (actor)|Daryl Mitchell]] as Tommy Webber, who played Lieutenant Laredo, a precocious child pilot.
** [[Corbin Bleu]] as a younger Laredo during the original TV series.
* [[Enrico Colantoni]] as Mathesar, the leader of the Thermians.
* [[Robin Sachs]] as Roth'h'ar Sarris, the general of a group of reptilian humanoids who seek to destroy the Thermians.
* [[Patrick Breen]] as Quellek, a Thermian who forms a bond with Alexander Dane.
* [[Missi Pyle]] as Laliari, a Thermian and love interest for Fred. In the revival at the end of the film, she goes under the name of Jane Doe, playing a fictionalized version of herself.
* [[Jed Rees]] as Teb, a Thermian and Mathesar's second-in-command.
* [[Justin Long]] as Brandon, a dedicated fan of ''Galaxy Quest''.
* [[Jeremy Howard (actor)|Jeremy Howard]] as Kyle, Brandon's friend
* Kaitlin Cullum as Katelyn, Brandon's friend
* Jonathan Feyer as Hollister, Brandon's friend
* [[Heidi Swedberg]] as Brandon's mom
* [[Wayne Péré]] as Lathe, Sarris's second-in-command
* [[Sam Lloyd|Samuel Lloyd]] as Neru, a Thermian
* [[Rainn Wilson]] as Lahnk, a Thermian<ref>{{cite web | url = https://screencrush.com/see-the-cast-of-galaxy-quest-then-and-now/ | title = See the Cast of 'Galaxy Quest' Then and Now | first = Britt | last = Hayes | date = September 9, 2013 | access-date = October 16, 2019 | work = [[ScreenCrush]] | archive-date = October 15, 2019 | archive-url = https://web.archive.org/web/20191015163406/https://screencrush.com/see-the-cast-of-galaxy-quest-then-and-now/ | url-status = live }}</ref>
* [[Joe Frank]] as the voice of the ''Protector'' computer