
"THE DEADLY PHANTOM HORSESHOE STRIKES! AN OCEAN LINER BLAZES ...TO COVER CRIME! THE INFRA-RAY HURLS UNSEEN DEATH! THE POISON FOAM BUBBLES VENOMOUSLY!"
When a friend of Charlie's is found kicked to death by his own race horse on board a Honolulu-bound liner, the detective discovers foul play and uncovers an international gambling ring.
Charlie Chan

Lee Chan

Alice Fenton

Bruce Rogers

George Chester

Bagley

Catherine Chester
Warren Fenton

Denny Barton

Major Gordon Kent

Eddie Brill, Jockey

'Tip' Collins, Jockey

Mooney, Ship Cabin Steward
'Streamline' Jones
Al Meers
Ship Captain

Lefty

Waiter on ship

Detective

Lansing

Pinkerton Man (uncredited)