A feature-length documentary about the film Galaxy Quest and its legacy, celebrating its milestone 20th anniversary.
| Actor | Role |
|---|---|
 Tim AllenSelf | Self |
 Greg BerlantiSelf | Self |
 Enrico ColantoniSelf | Self |
 Sigourney WeaverSelf | Self |
 Mark JohnsonSelf | Self |
 Damon LindelofSelf | Self |
 Daryl MitchellSelf | Self |
 Dean ParisotSelf | Self |
 Wil WheatonSelf | Self |
 Justin LongSelf | Self |
 Missi PyleSelf | Self |
 Sam RockwellSelf | Self |
 Paul ScheerSelf | Self |
 Tony ShalhoubSelf | Self |
 Brent SpinerSelf | Self |
 Rainn WilsonSelf | Self |
| EElizabeth CantillonSelf | Self |
| LLinda DeScennaSelf | Self |
| BBill GeorgeSelf | Self |
| SShane MahanSelf | Self |
 Mark 'Crash' McCreerySelf | Self |
 Charles NewirthSelf | Self |
 Jed ReesSelf | Self |
| HHarold WeirSelf | Self |
 Albert WolskySelf | Self |
| DDon ZimmermanSelf | Self |
| BBrett BergSelf | Self |
 Patrick BreenSelf | Self |
| RRobert GordonSelf | Self |
| SScott MantzSelf | Self |