Roger Hudson, a wealthy businessman who has moved to Washington to work for the government as a "dollar a year man," is late for a radio broadcast about his new department, the Mobilization of Woman Power for War. He takes a cab driven by Dixie Dugan, who hopes that being a cabbie while the country's men are away fighting will help the war effort. Her incompetent driving, however, results in an accident for which Roger must take responsibility in order to reach the radio station in time. Dixie then returns home, where she lives with her father Timothy, who is constantly practicing his air raid warden duties, her mother Gladys, an aspiring Red Cross worker, and cousin Imogene, who studies incessantly to become a "quiz kid." The Dugans rent out their spare rooms to Dixie's fiancé, Matt Hogan, and to blustering Judge J. J. Lawson. Matt, who works in a munitions factory, wants Dixie to settle down and marry him, but Dixie is determined to help her country.
Lois Andrews
as Dixie Dugan
James Ellison
as Roger Hudson
Charlotte Greenwood
as Mrs. Dugan
Charles Ruggles
as Pa Dugan
Helene Reynolds
as Jean Patterson
Raymond Walburn
as J.J. Lawson
Ann E. Todd
as Imogene Dugan (as Ann Todd)
Eddie Foy Jr.
as Matt Hogan
Irving Bacon
as Mr. Kelly
Sarah Edwards
as Mrs. Kelly
George Melford
as Mr. Sloan
Mae Marsh
as Mrs. Sloan