 Rosalind RussellElizabeth Kenny | Elizabeth Kenny |
 Alexander KnoxDr. McDonnell | Dr. McDonnell |
 Dean JaggerKevin Connors | Kevin Connors |
 Philip MerivaleDr. Brack | Dr. Brack |
 Beulah BondiMary Kenny | Mary Kenny |
 Charles DingleMichael Kenny | Michael Kenny |
 John LitelMedical Director | Medical Director |
| DDoreen McCannDorrie | Dorrie |
 Fay HelmMrs. McIntyre | Mrs. McIntyre |
 Charles KemperMr. McIntyre | Mr. McIntyre |
 Dorothy PetersonAgnes | Agnes |
| JJane AllenWoman (uncredited) | Woman (uncredited) |
 Gertrude AstorDoctor (uncredited) | Doctor (uncredited) |
 Walter BaldwinMr. Ferguson (uncredited) | Mr. Ferguson (uncredited) |
| RRichard BartellDoctor (uncredited) | Doctor (uncredited) |
| GGeorge BartonDoctor (uncredited) | Doctor (uncredited) |
| MMary BaylessNurse (uncredited) | Nurse (uncredited) |
 Joseph E. BernardTicket Taker (uncredited) | Ticket Taker (uncredited) |
| BBonnie BlairWaitress (uncredited) | Waitress (uncredited) |
 Lee BonnellSan Francisco Reporter (uncredited) | San Francisco Reporter (uncredited) |
 Egon BrecherFrenchman (uncredited) | Frenchman (uncredited) |
 Virginia BrissacMrs. Johnson (uncredited) | Mrs. Johnson (uncredited) |
 Bobby BurnsParent at Clinic (uncredited) | Parent at Clinic (uncredited) |
| AAl ChoalsDoctor (uncredited) | Doctor (uncredited) |
| SSally CleavesWoman (uncredited) | Woman (uncredited) |
| CConnie ConradDoctor (uncredited) | Doctor (uncredited) |
| EEdith ConradDoctor (uncredited) | Doctor (uncredited) |
 Ellen CorbyHospital Scrub Woman (uncredited) | Hospital Scrub Woman (uncredited) |
| JJeanne CriswellWoman (uncredited) | Woman (uncredited) |
 Sheryl DeauvilleSinging Child with Polio (uncredited) | Singing Child with Polio (uncredited) |
