What's Up, Doc?

Ryan O'Neal as Howard Bannister Michael Murphy as Mr. Smith Barbra Streisand as Judy Maxwell Liam Dunn as Judge Maxwell George Morfogen as Headwaiter Kenneth Mars as Hugh Simon Sorrell Booke as Harry Stefan Gierasch as Fritz Mabel Albertson as Mrs. Van Hoskins John Hillerman as Hotel Manager Graham Jarvis as Bailiff Christa Lang as Mrs. Hosquith Cosmo Sardo as Hotel Waiter (uncredited) Philip Roth as Mr. Jones Randy Quaid as Professor Hosquith M. Emmet Walsh as Arresting Officer Kevin O'Neal as Delivery Boy Jack Perkins as Jewel Thief Elaine Partnow as Party Guest Madeline Kahn as Eunice Burns Austin Pendleton as Frederick Larrabee Eleanor Zee as Banquet Receptionist सिलवेस्टर स्टैलोन as Hotel Guest (uncredited)

Polly Platt Production Design Paul Baxley Stunt Coordinator, Stunts Jack Verbois Stunts Verna Fields Editor László Kovács Director of Photography David Newman Screenplay Robert Benton Screenplay Bill Hickman Stunts Fred Stromsoe Stunts Donna Garrett Stunts Loren Janes Stunts Craig R. Baxley Stunts Buck Henry Screenplay Peter Bogdanovich Director, Producer, Story Jerry Brutsche Stunts Ted Grossman Stunts