Kildare tries brain surgery, advised by Dr. Gillespie, and faces a rival for nurse Lamont.
Lew Ayres
as Dr. James Kildare
Lionel Barrymore
as Dr. Leonard Gillespie
Laraine Day
as Nurse Mary Lamont
Shepperd Strudwick
as Dr. Gregory 'Greg' Lane
Samuel S. Hinds
as Dr. Stephen Kildare
Emma Dunn
as Mrs. Martha Kildare
Nat Pendleton
as Joe Wayman, Ambulance Driver
Walter Kingsford
as Dr. S.J. 'Walter' Carew, Hospital Administrator
Alma Kruger
as Molly Byrd, Superintendant of Nurses
John Eldredge
as Henry Adams, Amnesia Patient
Nell Craig
as Nurse 'Nosey' Parker
Marie Blake
as Sally, Hospital Switchboard Operator
