“- McCoy: Admiral, wouldn't it be easier to put an experienced crew back on the ship?
- James T. Kirk: Galloping around the cosmos is a game for the young, Doctor.”
DeForest Kelley - McCoy
William Shatner - James T. Kirk

“They're young. They may not realize it yet. They've got the same raging hormones, the same self-destructive desire to get boldly trashed and wildly out of control.”
Jeremy Piven - James 'Droz' Andrews

“- Otto: Are you telling me you don't have a social security number?
- Beldar Conehead: Correct.
- Otto: Why not?
- Beldar Conehead: I am an illegal alien.”
Sinbad - Otto
Dan Aykroyd - Beldar Conehead

“I can't fill up a space shuttle with geriatrics!”
James Cromwell - Bob Gerson

“- Jim McConnell: There's pressure in here.
- Terri Fisher: Above Mars atmospheric? That's impossible.
- Jim McConnell: We're millions of miles from Earth inside a giant white face. What's impossible?”
Gary Sinise - Jim McConnell
Connie Nielsen - Terri Fisher