From 'The Screwball Comedy Films: A History & Filmography, 1934-1942' by Duane Byrge & Robert Milton Miller. Plus a handful of films before and after that era from other sources.
MAIN DIRECTORS
Frank Capra, George Cukor, Howard Hawks, Garson Kanin, Gregory La Cava, Mitchell Leisen, Preston Sturges, Billy Wilder, Ernst Lubitsch, W.S. Van Dyke
MAIN PERFORMERS
Jean Arthur, Ralph Bellamy, Claudette Colbert, Gary Cooper, Melvyn Douglas, Irene Dunne, Clark Gable, Cary Grant, Jean Harlow, Katherine Hepburn, Carole Lombard, Myrna Loy, Fred MacMurray, William Powell, Rosalind Russell, Barbara Stanwyck, James Stewart
FURTHER READING
en.wikipedia.org/wiki/Screwball_comedy_film
cinecollage.net/screwball-comedy.html