Lew Ayres

Dr. James Kildare

Lionel Barrymore

Dr. Leonard Gillespie

Laraine Day

Nurse Mary Lamont

Robert Young

Douglas Lamont

Nat Pendleton

Joe Wayman

Walter Kingsford

Dr. Walter Carew

Alma Kruger

Molly Byrd

Bobs Watson

Tommy, the Crippled Child

Nell Craig

Nurse 'Nosey' Parker

Frank Orth

Mike Ryan, Cafe Owner

Marie Blake

Sally, Hospital Receptionist

Horace McMahon

Foghorn Murphy

Eddie Acuff

Clifford Genet, Window Cleaner

Charles Arnt

Mr. Stubbins, Man with Pain

Gladys Blake

Maisie, Emergency Switchboard Operator

Byron Foulger

Orderly at Emergency Switchboard

William Haade

Guirk, Man in Fistfight

Milton Kibbee

Patient with Hand Injury

Cathy Lewis

Flo

David Newell

Chandler's Secretary