"I'm Shocked, Shocked To Learn That Chess Is Going On In There!"

Those words may have been running through Claude Rains' mind as he watched Humphrey Bogart and Paul Henreid play chess on the set of Casablanca.  Classic Movies Digest posted this shot and two other on the set candid shots, including one with Bogie, Lauren Bacall, Edward G. Robinson and Claire Trevor on the set of Key Largo.