| Show Business at War | |
| Director: | Louis de Rochemont |
| Producer: | Louis de Rochemont |
| Starring: | Irving Berlin Alfred Lunt Jack Benny Olivia de Havilland Marlene Dietrich Deanna Durbin Hedy Lamarr Al Jolson Eddie 'Rochester' Anderson Carole Landis |
| Distributor: | 20th Century Fox |
| Runtime: | 17 minutes[1] |
| Country: | United States |
| Language: | English |
Show Business at War is a short film made by The March of Time in 1943 to tout the United States film industry's contribution to the Second World War effort. It was a collaboration between several studios, directors and actors.