Sidney Toler as Charlie Chan

Mantan Moreland as Birmingham Brown

Victor Sen Yung as Jimmy Chan

Tanis Chandler as Adelaide Brandt

Larry J. Blake as Rick Daniels

Kirk Alyn as Sgt. Reynolds

Rita Quigley as Clementine

Anne Nagel as Marcia

Helen Gerald as Ruby

Howard Negley as Cole King, Impresario

Lois Austin as Mrs. Thorn

Barbara Jean Wong as San Toy

Minerva Urecal as Miss Weebles, the Housekeeper

Margaret Brayton as Madge Mudge

Bettie Best as Winifred

Jan Bryant as Lois

Walden Boyle as Dr. George Brandt (uncredited)