Sidney Toler, Mantan Moreland, Victor Sen Yung, Tanis Chandler, Earl Derr Biggers, Howard Bretherton, Miriam Kissinger

The Trap is a movie starring Sidney Toler, Mantan Moreland, and Victor Sen Yung. When a troupe of showgirls with their impresario and press agent vacation at a Malibu Beach resort, two of them are garroted. Charlie takes on the case...

Sidney Toler, Mantan Moreland, Earl Derr Biggers, George Callahan, Benson Fong, Ben Carter, Phil Rosen

The Scarlet Clue is a movie starring Sidney Toler, Mantan Moreland, and Ben Carter. Charlie discovers a scheme for the theft of government radar plans while investigating several murders.

Sidney Toler, Mantan Moreland, Victor Sen Yung, Tanis Chandler, Terry O. Morse, Earl Derr Biggers, Raymond L. Schrock

Shadows Over Chinatown is a movie starring Sidney Toler, Mantan Moreland, and Victor Sen Yung. Charlie investigates murders connected with insurance fraud. This one is set in San Francisco's Chinatown.