Twilight Spockle

Who would be the rest of the crew? I could Fluttershy as a medic, but AJ's got the country-ness and the attitude. And then...

Scotty: Rarity. (Both make stuff.)
Sulu: ...ah, Rainbow Dash is taken. But you know she's the one who'd get you somewhere at warp speed.
Chekov: Pinkie Pie.
Uhura: ...Vinyl, purely because the idea of a mute communications officer is funny.
Nurse Chapel: Fluttershy. Yeah, AJ is McCoy and Fluttershy is the nurse. (Wait, does that mean she pines for Twilight, who won't notice her?)
Saavik: Starlight Glimmer
KHAAAAAAAAAN!!: Tirek.

And, existing before but suddenly waaaay more essential due to the new movies:
Carol Marcus: Soarin (because blue, and saner than those he's mixed up with.)
Christopher Pike: ...uh, I can't think of anyone I want to suffer either version of Pike's fate. Someone cool from the past: General Firefly?