Zac Efron and cast members attend "17 Again" premiere in L.A.

Cast member Leslie Mann attends the movie premiere of the film "17 Again" in Los Angeles April 14, 2009. [Agencies]

(L-R) Cast members Tiya Sircar, Hunter Parrish, Allison Miller, Sterling Knight, Michelle Tractenberg, Zac Efron, Leslie Mann, Matthew Perry, Melora Hardin and Thomas Lennon pose for photographers at the premiere of the film "17 Again" in Los Angeles April 14, 2009. [Agencies]