Sidney Toler

Charlie Chan

Victor Sen Yung

Jimmy Chan

Leo G. Carroll

Professor Gordon

Lionel Atwill

Dr. Suderman

Robert Lowery

Dick Kenyon

Marjorie Weaver

Paula Drake

Cora Witherspoon

Susie Watson

Don Beddoe

Frederick Ross

Leonard Mudie

Gerald Pendleton

Charles Middleton

Jeremiah Walters

Claire Du Brey

Sarah Walters

James Burke

Wilkie, house detective

Richard Keene

Buttons, ship's steward

Harry Strang

Seaman Guarding Pendleton

Harlan Briggs

San Francisco Coroner

Layne Tom Jr.

Willie Chan

C. Montague Shaw

Inspector Duff

Cliff Clark

Lieutenant Wilson

Kay Linaker

Linda Pendleton

Paul McVey

Mrs. Pendleton's Doctor