poster Directed by Orson Welles Produced by Orson Welles Written by Herman J. Mankiewicz Orson Welles Starring Orson Welles Joseph Cotten Dorothy Comingore Everett Sloane Ray Collins George Coulouris Agnes Moorehead Paul Stewart Ruth Warrick Erskine Sanford William Alland Music by Bernard Herrmann Cinematography Gregg Toland Editing by Robert Wise Studio RKO