Mr. Moto in Danger Island

Peter Lorre

Kentaro Moto

Warren Hymer

Twister McGurk

Amanda Duff

Joan Castle

Robert Lowery

Lt. George Bentley

Leon Ames

Commissioner Madero

Jean Hersholt

Mr. Sutter

Douglass Dumbrille

Comdr. La Costa

Richard Lane

Police Commissioner Gordon

Charles D. Brown

Capt. Thomas Castle

Paul Harvey

Gov. John Bentley

Eddie Marr

Capt. Dahlen

Harry Woods

Grant

Ward Bond

Sailor Sam - Wrestler

Neely Edwards

Moore - Governor's Aide

Renie Riano

Librarian

Willie Best

Launch Pilot