The doctor (Lionel Barrymore) has a Kansan (Van Johnson), an Australian and an Asian from Brooklyn to choose from.
| Actor | Role |
|---|---|
 Lionel BarrymoreDr. Leonard Gillespie | Dr. Leonard Gillespie |
 Van JohnsonDr. Randall Adams | Dr. Randall Adams |
 Susan PetersMrs. Howard Allwinn Young | Mrs. Howard Allwinn Young |
 Richard QuineDr. Dennis Lindsey | Dr. Dennis Lindsey |
 Keye LukeDr. Lee Wong How | Dr. Lee Wong How |
 Alma KrugerMolly Byrd | Molly Byrd |
 Nat PendletonJoe Weyman | Joe Weyman |
 Stephen McNallyHoward Allwinn Young | Howard Allwinn Young |
 Frank OrthMike Ryan | Mike Ryan |
 Walter KingsfordDr. Walter Carew | Dr. Walter Carew |
 Nell CraigNurse Parker | Nurse Parker |
 Marie BlakeSally | Sally |
 George H. ReedConover | Conover |
 Ann RichardsIris Headley | Iris Headley |
 Rose HobartMrs. Black | Mrs. Black |
 Eddie AcuffClifford Genet | Clifford Genet |