It Pays to Advertise is a 1931 American pre-Code comedy film, based on the play of the same name by Roi Cooper Megrue and Walter C. Hackett, starring Norman Foster and Carole Lombard, and directed by Frank Tuttle.^[1]

Paramount also produced a French-language version of the film titled Criez-le sur les toits [fr] (1932), directed by Karl Anton.

Rodney Martin sets up a soap business to rival his father. With the help of an advertising expert and his secretary, Mary, he develops a successful marketing campaign. His father ends up buying the company from him, while Rodney and Mary fall in love.^[2]

• Norman Foster as Rodney Martin
• Carole Lombard as Mary Grayson
• Richard 'Skeets' Gallagher as Ambrose Pearle
• Eugene Pallette as Cyrus Martin
• Lucien Littlefield as Adams
• Judith Wood as Countess de Beaurien (credited as Helen Johnson)
• Louise Brooks as Thelma Temple
• Morgan Wallace as L. R. McChesney
• Tom Kennedy as Perkins
• Marcia Manners as Miss Burke
• Frank Coghlan Jr. as Office Boy (credited as Junior Coghlan)
• John Howell as Johnson
• John Sinclair as Window Cleaner

The film received positive reviews. Photoplay wrote that it has "plenty of speed and lots of laughs", and praised the "perfect cast".^[2]

• It Pays to Advertise (1919)
• It Pays to Advertise (1936)