Sister Kenny

Rosalind Russell

Elizabeth Kenny

Alexander Knox

Dr. McDonnell

Dean Jagger

Kevin Connors

Philip Merivale

Dr. Brack

Beulah Bondi

Mary Kenny

Charles Dingle

Michael Kenny

John Litel

Medical Director

Doreen McCann

Dorrie

Fay Helm

Mrs. McIntyre

Charles Kemper

Mr. McIntyre

Dorothy Peterson

Agnes

Jane Allen

Woman (uncredited)

Gertrude Astor

Doctor (uncredited)

Walter Baldwin

Mr. Ferguson (uncredited)