Ebert co-wrote the screenplay for the 1970 Russ Meyer film Beyond the Valley of the Dolls and sometimes joked about being responsible for the film , which was poorly received on its release but is now regarded as a cult classic .
Ebert co-wrote the screenplay for the 1970 Russ Meyer movie Beyond the Valley of the Dolls and likes to joke about being responsible for the movie , which was poorly received on its release but is now regarded as a cult classic .