Billy Wilder Director, Writer, Producer Humphrey Bogart Linus Larrabee Actor Audrey Hepburn Sabrina Fairchild Actor William Holden David Larrabee Actor Walter Hampden Oliver Larrabee Actor John Williams Thomas Fairchild Actor Martha Hyer Elizabeth Tyson Actor Joan Vohs Gretchen Van Horn Actor Marcel Dalio Baron St. Fontanel Actor Marcel Hillaire The Professor Actor Nella Walker Maude Larrabee Actor Francis X. Bushman Mr. Tyson Actor Ellen Corby Miss McCardle Actor Marjorie Bennett Margaret (cook) (uncredited) Actor Emory Parnell Charles (butler) (uncredited) Actor Kay Riehl Mrs. Tyson (uncredited) Actor Nancy Kulp Jenny (maid) (uncredited) Actor Kay E. Kuter Servant (houseman) (uncredited) Actor Paul Harvey Dr. Calaway (uncredited) Actor Emmett Vogan Board member (uncredited) Actor Marion Ross Spiller's girlfriend (uncredited) Actor Samuel A. Taylor Writer Ernest Lehman Writer Charles Lang Cinematographer Arthur P. Schmidt Film Editing Friedrich Hollaender Original Music Richard Rodgers Original Music Hal Pereira Art Director Walter H. Tyler Art Director Sam Comer Set Decoration Ray Moyer Set Decoration Hubert de Givenchy Costume Design