Alien-ated 
One taking things wrong   THIEF
You can find one in the {theme} even if you don't believe   UFO 
Swahilli for “freedom”    UHURU [sounds like a 
Star Trek character I should know, and perhaps it is known by Trekkies that the name is (like) Swahilli.  Alas, I am ignorant of both Trekkies and Swahilli, but if I'm wrong, this is a poor clue in an English language puzzle.] 
Digito   NUMERO ["Numero uno," unlike 
digito, is an English adoption and would work]
RATING:   

 Three grins = Excellent: Loved it; Two grins = Good: Enjoyed it; One grin = Satisfactory: A bit bland for my taste; One teardrop = Unsatisfying: No fun