Moss Hart
George S. Kaufman
Joe Hyman
Richard Maxwell
Beatrice Kaufman
Warren Stone
Max Seigel
Lester Sweyd
David Starr
Sam H. Harris
Clara Baum
Oliver Fisher
Teddy Manson
Archie Leach
Franklyn P. Adams
Robert E. Sherwood
Hotel Clerk (uncredited)
Edna Ferber (uncredited)
Mrs. Hart
Mr. Hart
Alexander Woollcott
Bernie Hart
Heywood Broun
George Jean Nathan
Harry the Waiter
Maid
Elevator operator (uncredited)
Minor Role (uncredited)