Lew Ayres

Dr. James Kildare

Lionel Barrymore

Dr. Leonard Gillespie

Laraine Day

Nurse Mary Lamont

Bonita Granville

Frances Marlowe

Alma Kruger

Molly Byrd

Red Skelton

Vernon Briggs

Paul Stanton

Mr. Reynolds

Diana Lewis

Fay Lennox

Walter Kingsford

Dr. Walter Carew

Nell Craig

Nurse Parker

Tom Conway

Mr. Channing

Marie Blake

Sally

Eddie Acuff

Clifford Genet

George H. Reed

Conover (as George H. Reed)

Chick Chandler

Dan Morton

Frank Orth

Mike Ryan

Gladys Blake

Maisie

Bess Flowers

Nurse (uncredited)