While Charlie is distracted with the birth of his first grandchild, son Jimmy impersonates his father in order to investigate a murder aboard a freighter in the harbor.
as Charlie Chan
as Judy Hayes
as James Chan
as Al Hogan
as Randolph
as Mrs. Carol Wayne
as Dr. Cardigan
as Captain Johnson
as Johnny McCoy
as Joe Arnold
as Nurse
as Tommy Chan
as Wing Foo
as Inspector Rawlins
as Mama Chan (uncredited)
