Sidney Toler as Charlie Chan

Victor Sen Yung as Jimmy Chan

Donald MacBride as Insp. Vance

Leyland Hodgson as Robert Boggs

Melville Cooper as Herbert 'Snuffy' Fenton

John Sutton as Richard Jeffery

Kane Richmond as Ralph Percy

Marjorie Weaver as Patricia Shaw

Robert Lowery as David Elliot

Ricardo Cortez as George Kirby

Frederick Worlock as Insp. Hugh Drake

Joan Valerie as June Preston

Shirley Warde as Mrs. Felton

Catherine Craig as Stewardess

Clarence Muse as Party Server

Stanley Blystone as Fingerprint Expert

Shemp Howard as Shorty McCoy alias Rashid the Fakir

Trevor Bardette as Ramullah #2, with cane

Eddy Chandler as HQ Sergeant Lefty

Lal Chand Mehra as Ramullah, alias Aga Singh

Jimmie Dundee as Police Officer Bill

Frank Coghlan Jr. as Frankie O'Shaughnessy

Bud Geary as Mechanic-Henchman with Light

Alan Davis as Lt. Cooper, test pilot

Lee Phelps as Police Officer Joe

Ralph Dunn as Police Officer

Frank Fanning as Police Officer

Carl Faulkner as Police Officer

Paul Palmer as Police Officer

Brick Sullivan as Police Officer

Paul Kruger as Guard

Charles Tannen as Airport Announcer Voice

Bhogwan Singh as Lineup East Indian

Kalu K. Sonkur as Lineup East Indian

Nick Shaid as Lineup East Indian

Jack 'Tiny' Lipson as Hindu (unconfirmed)

Dorothy Dearing as Mrs. Percy (unconfirmed)