Almost every actor goes into ...

Almost every actor goes into almost every picture very frightened. He is positive he really can't do it. The bigger the star, the more frightened he is.
 Paul Mazursky

Quotes from the same author

The one thing that's closest to my story is the thing about trying out for the juvenile delinquent role and getting it. That was the start of my acting career... which I've resumed, by the way.
 Paul Mazursky