On this day in movie history - Philo Vance's Secret Mission (1947):

Philo Vance's Secret Mission,

directed by Reginald Le Borg,

written by Lawrence Taylor,

was released in the United States on August 30, 1947.
Music by Emil Cadkin, Ernest Gold and Karl Hajos.

Cast:
Alan Curtis, Sheila Ryan, Tala Birell, Frank Jenks, James Bell, Frank Fenton, Paul Maxey, Kenneth Farrell, Toni Todd, David Leonard, William Newell, Tom Quinn, Harry Strang, Frank Wilcox.