Sister Kenny

Elizabeth Kenny

Dr. McDonnell

Kevin Connors

Dr. Brack

Mary Kenny

Michael Kenny

Medical Director

Mrs. McIntyre

Mr. McIntyre

Agnes

Doctor (uncredited)

Mr. Ferguson (uncredited)

Ticket Taker (uncredited)

San Francisco Reporter (uncredited)

Frenchman (uncredited)

Mrs. Johnson (uncredited)

Parent at Clinic (uncredited)

Hospital Scrub Woman (uncredited)

Singing Child with Polio (uncredited)

Reporter (uncredited)