Desk Set (released as His Other Woman in the UK) is a 1957 American romantic comedy film directed by Walter Lang and starring Spencer Tracy and Katharine Hepburn. The screenplay was written by Phoebe Ephron and Henry Ephron from the 1955 play of the same name by William Marchant. Plot Bunny Watson is in charge of the reference library at the Federal Broadcasting Network in Midtown Manhattan. The reference librarians are responsible for researching facts and answering questions for the general pu