Lew Ayres

Character: Dr. James Kildare

Lionel Barrymore

Character: Dr. Leonard Gillespie

Laraine Day

Character: Nurse Mary Lamont

Robert Young

Character: Douglas Lamont

Nat Pendleton

Character: Joe Wayman

Walter Kingsford

Character: Dr. Walter Carew

Alma Kruger

Character: Molly Byrd

Bobs Watson

Character: Tommy, the Crippled Child

Nell Craig

Character: Nurse 'Nosey' Parker

George H. Reed

Character: Conover

Frank Orth

Character: Mike Ryan, Cafe Owner

Marie Blake

Character: Sally, Hospital Receptionist

Horace McMahon

Character: Foghorn Murphy

Eddie Acuff

Character: Clifford Genet, Window Cleaner

Ernie Alexander

Character: Assistant Bed Salesman

Charles Arnt

Character: Mr. Stubbins, Man with Pain

Gladys Blake

Character: Maisie, Emergency Switchboard Operator

Tom Collins

Character: Doctor

Mimi Doyle

Character: Edith

Byron Foulger

Character: Orderly at Emergency Switchboard

William Haade

Character: Guirk, Man in Fistfight

Milton Kibbee

Character: Patient with Hand Injury

Cathy Lewis

Character: Flo

David Newell

Character: Chandler's Secretary

Lillian Rich

Character: Nurse in Lobby

Fred Santley

Character: Head Bed Salesman

Syd Saylor

Character: Hospital Elevator Operator

Gus Schilling

Character: Orderly Cleaning Window

Frank Sully

Character: John Root

Bryant Washburn Jr.

Character: Doctor

Pierre Watkin

Character: Mr. Robert Chandler