"Lil works for the Legendre Company and causes Bill to divorce Irene and marry her. She has an affair with businessman Gaerste and uses him to force society to pay attention to her."
Jean Harlow
as Lillian 'Lil' / 'Red' Andrews Legendre
Chester Morris
as William 'Bill' / 'Willie' Legendre Jr.
Lewis Stone
as William 'Will' Legendre Sr.
Leila Hyams
as Irene 'Rene' Legendre
Una Merkel
as Sally
Henry Stephenson
as Charles B. 'Charlie' / 'C.B.' Gaerste
May Robson
as Aunt Jane
Charles Boyer
as Albert
Harvey Clark
as Uncle Fred
Henry Armetta
as Waiter Warning Bill of Lipstick (uncredited)
Sidney Bracey
as Man Wanting to Use Phone Booth (uncredited)
Ed Brady
as Man Outside Pool Hall (uncredited)
Ralph Byrd
as Driver, at Film's End, with Mustache (uncredited)
Albert Conti
as Frenchman in Paris (uncredited)
James T. Mack
as Thomas, Legendre Butler (uncredited)
Wilfrid North
as Judge at Divorce Hearing (uncredited)
Edgar Norton
as Gaerste's Butler Tompkins (uncredited)
William H. O'Brien
as Waiter at Gaerste Party (uncredited)
Sarah Padden
as Mary, Legendre Maid (uncredited)
William Pawley
as Al (uncredited)
Lee Phelps
as Waiter Calling Bill to Phone (uncredited)
Eddie Phillips
as Gaerste's Dinner Guest (uncredited)
Rolfe Sedan
as Man at Race Track (uncredited)
August Tollaire
as Bearded Millionaire Frenchman (uncredited)
Adolph Faylauer
Leyland Hodgson
as Surprised Party Guest (uncredited)
Edmund Mortimer
Jack Conway
Director
Albert Lewin
Producer
Katharine Brush
Novel
Cedric Gibbons
Art Direction
Adrian
Costume Design
Douglas Shearer
Sound Director
Blanche Sewell
Editor
Anita Loos
Screenplay
Harold Rosson
Director of Photography
Irving Thalberg
George Hurrell Sr.
Still Photographer
Felix E. Feist
Additional Writing
F. Scott Fitzgerald
Bess Meredyth
C. Gardner Sullivan
Benjamin Thau
Casting
Charles Dorian
Assistant Director
James Brock
Sound