No one would ever expect Melissa McCarthy to hold back when it comes to getting laughs. Yet for years, she says, Hollywood had certain expectations for female comedians. Being funny "couldn't be through your personality or actions, you just had to look crazy," she tells PEOPLE in this week's cover story.
Now with her first summer action film, Spy, opening No. 1 at the box office, McCarthy is proving herself to be one of Hollywood's most bankable stars. "I'm having the time of my life," she says.