On a cruise ship from Honolulu to San Francisco, the famous Chinese detective encounters four more murders while trying to figure out the murder of a Scotland Yard friend.
Sidney Toler
as Charlie Chan
Victor Sen Yung
as Jimmy Chan
Leo G. Carroll
as Professor Gordon
Lionel Atwill
as Dr. Suderman
Robert Lowery
as Dick Kenyon
Marjorie Weaver
as Paula Drake
Cora Witherspoon
as Susie Watson
Don Beddoe
as Frederick Ross
Leonard Mudie
as Gerald Pendleton
Charles Middleton
as Jeremiah Walters
Claire Du Brey
as Sarah Walters
James Burke
as Wilkie, house detective
