Lew Ayres

Dr. James Kildare

Lionel Barrymore

Dr. Leonard Gillespie

Ann Ayars

Cynthia 'Cookie' Charles

Robert Sterling

Dr. Donald 'Don' Winthrop

Jean Rogers

Miss Annabelle Kirke

Alma Kruger

Molly Byrd

Walter Kingsford

Dr. Walter Carew

Nell Craig

Nurse Parker

Edward Gargan

Willie Brooks

Marie Blake

Sally

Frank Orth

Mike Ryan

George H. Reed

Conover (as George H. Reed)

Barry Nelson

Samuel Z. Cutter

Eddie Acuff

Clifford Genet

Gus Schilling

Leo Cobb

Stuart Crawford

Arnold Spencer

William Bakewell

Mr. Hubbell

Charlotte Wynters

Mrs. Hubbell