Sidney Toler as Charlie Chan

Victor Sen Yung as Jimmy Chan

Robert Weldon as Steve Daniels

Sheila Ryan as Kate Ransome

Truman Bradley as Capt. Kane of the Suva Star

Donald Douglas as Jed Thomasson

Kay Aldridge as (as Katharine Aldridge) Laura Parks aka Laura Thursday

Paul McGrath as Charles Parks aka Charles Thursday

Lenita Lane as Dr. Anne Bonney

Milton Parsons as Gene LaFarge

George Reeves as Bill Lydig

Ethel Griffies as Miss Patience Nodbury

Lee Tung Foo as Ship's Cook

Tim Ryan as Bartender

Stanley Andrews as Insp. Vessey

Charles Tannen as Sailor with Girl

John Wallace as Peg-legged Sailor

Jimmy Aubrey as Dart Game Sailor

Ralph Dunn as Homicide Desk Sergeant

Pat Flaherty as Policeman with Checklist at Debarking

Lee Phelps as Detective (unconfirmed)