DVD details for
Charlie Chan at the Circus (1936) More at IMDbPro »

Four more mystery features starring Warner Oland as Charlie Chan, the Honolulu detective created by Earl Derr Biggers in a series of six novels which were quickly adapted to the screen. This set features Charlie Chan at the Opera (1936), co-starring Boris Karloff, Charlie Chan at the Race Track (1936), Charlie Chan at the Circus (1936), and Charlie Chan at the Olympics (1937). Keye Luke co-stars as number one son Lee Chan and H. Bruce Humberstone directs all four films.