 Welles regarded Cotten as a brilliant comic actor, and gave him the starring role in his Federal Theatre Project farce, " Horse Eats Hat" (September 26 – December 5, 1936).Cotten was sure that "Horse Eats Hat" won him the notice of his future Broadway co-star, Katharine Hepburn.Cotten said Welles later told him "You're very lucky to be tall and thin and have curly hair.