Audrey Hilton
Dr. 'Tubby' Forster
John Wesley Beaven
Winifred Bane
Dr. William Cunningham
Dr. LaFerriere
Bill Anderson
Andrew Abbott
Mrs. Cunningham
Lawrence Carpenter (as Gaylord Pendleton)
Johnny Merkle
Mr. Merkle
Mrs. Riley
Chinese Ambassador
Kai
Dr Ling (as Dr. E. Y. Chung)
Dr. Fung
Aviatrix (as Lee Ya-Ching)
Nurse (uncredited)