Original Australian Daybill Poster What's Up Doc
What's Up, Doc? is a 1972 American romantic screwball comedy film released by Warner Bros., directed by Peter Bogdanovich and starring Barbra Streisand, Ryan O'Neal, and Madeline Kahn. Sylvester Stallone has an uncredited role as a hotel guest. It is intended to pay homage to comedy films of the 1930s, especially Bringing Up Baby and Warner Bros. Bugs Bunny cartoons. The film was very loosely based on the novel A Glimpse of Tiger by Herman Raucher. What's Up, Doc? was a huge success and became the third-highest grossing film of 1972. It won the Writers Guild of America 1973 "Best Comedy Written Directly for the Screen" award for Buck Henry, David Newman and Robert Benton.