刘·艾尔斯

Lew Ayres

饰：Dr. James 'Jimmy' Kildare

莱昂纳尔·巴里摩尔

Lionel Barrymore

饰：Dr. Leonard Gillespie

拉雷恩·黛

Laraine Day

饰：Nurse Mary Lamont

夏佩德·斯特鲁德维克

Shepperd Strudwick

饰：Dr. Gregory 'Greg' Lane

萨缪尔·S·辛兹

Samuel S. Hinds

饰：Dr. Stephen Kildare

Emma Dunn

饰：Mrs. Martha Kildare

纳特·彭德尔顿

Nat Pendleton

饰：Joe Wayman, Ambulance Driver

沃尔特·金斯福特

Walter Kingsford

饰：Dr. S.J. 'Walter' Carew, Hospital Administrator

艾尔玛克卢格

Alma Kruger

饰：Molly Byrd, Superintendant of Nurses

John Eldredge

饰：Henry Adams, Amnesia Patient

Nell Craig

饰：Nurse 'Nosey' Parker

玛丽·布莱克

Marie Blake

饰：Sally, Hospital Switchboard Operator

查尔斯·沃尔德伦

Charles Waldron

饰：Dr. 'Egghead' Squires, Messinger Inst.

乔治·莱西

George Lessey

饰：Rufus Ingersoll

汤姆·科林斯

Tom Collins

饰：Dr. Joiner

George Reed

饰：Conover, Gillespie's Attendant (as George H. Reed)

保罗·波尔卡西

Paul Porcasi

饰：Antonio 'Tony', the Hospital Chef

霍勒斯·麦克马洪

Horace McMahon

饰：J. Harold 'Fog Horn' Murphy (as Horace MacMahon)

弗兰克奥思

Frank Orth

饰：Mike Ryan, Sullivan's Hospital Cafe

玛格利特·塞登

Margaret Seddon

饰：Mrs. Julia Cray, Skin Alergy Patient

费·海姆

Fay Helm

饰：Mrs. Henry Adams

唐纳德·道格拉斯

Donald Douglas

饰：Mr. Grayson, Patient losing Eye Sight (uncredited)

玛西娅·琼斯

Marcia Mae Jones

饰：Florence, the Waiting Room Nurse (uncredited)