Dealing: Or the Berkeley-to-Boston Forty-Brick Lost-Bag Blues is a 1972 film based on the 1970 novel of the same name by Michael Crichton and Douglas Crichton, published under the pseudonym Michael Douglas. It was American independent film directed by Paul Williams and starred Robert F. Lyons and John Lithgow in his film debut in the supporting role of John, the campus drug dealer. Barbara Hershey appears in the role of the novice drug courier, Susan, who loses the bag of bricks on a cross-country flight from Berkeley to Boston.