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