Kadro (24)
Lew AyresDr. James Kildare
Lionel BarrymoreDr. Leonard Gillespie
Laraine DayNurse Mary Lamont
Shepperd StrudwickDr. Gregory 'Greg' Lane
Samuel S. HindsDr. Stephen Kildare
Emma DunnMrs. Martha Kildare
Nat PendletonJoe Wayman, Ambulance Driver
Walter KingsfordDr. S.J. 'Walter' Carew, Hospital Administrator
Alma KrugerMolly Byrd, Superintendant of Nurses
John EldredgeHenry Adams, Amnesia Patient
Nell CraigNurse 'Nosey' Parker
Marie BlakeSally, Hospital Switchboard Operator
Charles WaldronDr. 'Egghead' Squires, Messinger Inst.
George LesseyRufus IngersollTom CollinsDr. JoinerGeorge ReedConover, Gillespie's Attendant
Paul PorcasiAntonio 'Tony', the Hospital Chef
Horace McMahonJ. Harold 'Fog Horn' Murphy
Frank OrthMike Ryan, Sullivan's Hospital Cafe
Margaret SeddonMrs. Julia Cray, Skin Alergy Patient
Fay HelmMrs. Henry Adams
William BaileySpectator in Operating Theatre (uncredited)
Stephen ChaseAmbulance Interne (uncredited)
Donald DouglasMr. Grayson, Patient losing Eye Sight (uncredited)