"An Australian nurse discovers an effective new treatment for infantile paralysis, but experiences great difficulty in convincing doctors of the validity of her claims."
Rosalind Russell
as Elizabeth Kenny
Alexander Knox
as Dr. McDonnell
Dean Jagger
as Kevin Connors
Philip Merivale
as Dr. Brack
Beulah Bondi
as Mary Kenny
Charles Dingle
as Michael Kenny
John Litel
as Medical Director
Doreen McCann
as Dorrie
Fay Helm
as Mrs. McIntyre
Charles Kemper
as Mr. McIntyre
Dorothy Peterson
as Agnes
Jane Allen
as Woman (uncredited)
Gertrude Astor
as Doctor (uncredited)
Walter Baldwin
as Mr. Ferguson (uncredited)
Richard Bartell
George Barton
Mary Bayless
as Nurse (uncredited)
Joseph E. Bernard
as Ticket Taker (uncredited)
Bonnie Blair
as Waitress (uncredited)
Lee Bonnell
as San Francisco Reporter (uncredited)
Egon Brecher
as Frenchman (uncredited)
Virginia Brissac
as Mrs. Johnson (uncredited)
Bobby Burns
as Parent at Clinic (uncredited)
Al Choals
Sally Cleaves
Connie Conrad
Edith Conrad
Ellen Corby
as Hospital Scrub Woman (uncredited)
Jeanne Criswell
Sheryl Deauville
as Singing Child with Polio (uncredited)
Earl Dobbins
as Farmer (uncredited)
Gloria Donovan
as Girl (uncredited)
Charles Dorety
as Reporter (uncredited)
Ralph Dunn
as Brisbane Policeman (uncredited)
Melinda Erickson
Betty Fairfax
Franklyn Farnum
as Doctor at Medical Conference (uncredited)
Monica Folts
Francis Ford
as Patrick O'Shea (uncredited)
Jack Gargan
as Reporter at Dock (uncredited)
Wilda George
Betty Gillette
Mary Gordon
as Mrs. Gordon (uncredited)
Vincent Graeff
as Boy (uncredited)
Karolyn Grimes
as Carolyn (uncredited)
Bobby Hale
as Cabby (uncredited)
Charlie Hall
as Airport Attendant (uncredited)
Charles Halton
as Mr. Smith (uncredited)
Carl Hanson
Lumsden Hare
as Dr. Shadrack (uncredited)
Sam Harris
Eddie Hart
as Doctor at Medical Symposium (uncredited)
Alf Haugan
Mame Henderson
Len Hendry
Gloria Holden
as Mrs. McDonnell (uncredited)
Beulah Hubbard
David Hughes
Brandon Hurst
as Mr. Todd (Landlord) (uncredited)
Lloyd Ingraham
Warren Jackson
Eddie Kane
Edward Keane
Tom Kingston
Connie Lamont
Bertha Ledbetter
Alan Lee
as Alan the Farm Hand (uncredited)
Ruth Lee
as Mother (uncredited)
Nan Leslie
David Levitt
Orley Lindgren
Doris Lloyd
as Matron (uncredited)
Leota Lorraine
Sam Lufkin
as Photographer (uncredited)
Irene Mack
Thomas Martin
Janet Sue Marx
Eric Mayne
Larry McGrath
Harry McKim
Frank McLure
Ruth Miles
Daphne Moore
John Moss
Diane Nance
Myra Nelson
Georgie Nokes
as Gordy (uncredited)
B.G. Norman
Noralee Norman
Bob O'Connor
Anne O'Neal
Vivien Oakland
as Dr. Gideon's Secretary (uncredited)
Charles Pawley
as Orderly (uncredited)
Bob Pepper
as Man (uncredited)
Hilda Plowright
as Saleslady (uncredited)
Harry 'Snub' Pollard
as Man at Barn Dance (uncredited)
Allan Ray
Frank Reicher
as Dr. Chuter (uncredited)
Waclaw Rekwart
Jeffrey Sayre
as Elizabeth's Dance Partner (uncredited)
Eli Schmudkler
as Newsboy (uncredited)
Dick Scott
Allen D. Sewall
Lucile Sewall
as Woman at Barn Dance (uncredited)
Barbara Smith
Warren Smith
Paul Stanton
as Dr. Gideon (uncredited)
Larry Steers
Robert Strong
Tex Swan
Bob Templeton
as Intern (uncredited)
David Thursby
as Angus Frazier (uncredited)
Regis Toomey
as New York Reporter (uncredited)
Ray Toone
Arthur Tovey
Clare Verdera
as Mother of Boy (uncredited)
John P. Wade
Nellie Walker
as Farmer's Wife (uncredited)
Ray Walker
as Doctor at Minneapolis Lecture (uncredited)
Elena Warren
Dudley Nichols
Screenplay
Director
Albert Simpson
Matte Painter
Eddie Pyle
Camera Operator
Mary McCarthy