Cast & crew
Why Be Good? (1929)
Directed by William A. Seiter Written by Carey Wilson
Cast
| Jean Harlow | Blonde |
| Eddie Clayton | Jerry Thompson/Narrator |
| Edward Martindel | Winthrop |
| Lincoln Stedman | Tom |
| Grady Sutton | (uncredited) |
| Mischa Auer | Boiler |
| Louis Natheaux | Jimmy |
| Hector V. Sarno | (uncredited) |
| Collette Merton | Julie |
| Jack O'Shea | (uncredited) |
| Phyllis Crane | Salesgirl |
| Earl McCarthy | (uncredited) |
| Phil Harris | Boiler |
| Virginia Sale | (uncredited) |
| Bobby Burns Berman | Morning Show Host |
| Bodil Rosing | Kelly |
| Andy Devine | Boiler |
| Dixie Gay | Susie Bates |
| Randolph Scott | Boiler |
| Neil Hamilton | Winthrop |
| Colleen Moore | Pert |
| John St. Polis | Kelly |
Crew
| Paul Perez | Dialogue |
| Sidney Hickox | Director of Photography |
| John McCormick | Producer |
| Carey Wilson | Screenplay |
| William A. Seiter | Director |
| Lou Davis | Songs |
| J. Fred Coots | Songs |
| Carey Wilson | Story |
| Terry O. Morse | Editor |
| Max Rée | Costume Design |
| Ernest Belcher | Choreographer |