Lifelong platonic friends Zack and Miri look to solve their respective cash-flow problems by making an adult film together. As the cameras roll, however, the duo begin to sense that they may have more feelings for each other than they previously thought. Director: Kevin Smith | Stars: Seth Rogen, Elizabeth Banks, Craig Robinson, Gerry Bednob. This list takes the best R-rated sex comedies and pits them against each other to see once and for all which one reigns supreme. This list of popular comedies includes information like who directed the film, when it was released and which actors starred in the movie.