Lew Ayres

Character: Dr. Myron Brown

Mae Clarke

Character: Ruth Robbins

Una Merkel

Character: Betty Merrick

Andy Devine

Character: Clarence Howe

John Halliday

Character: Albert Hartman

Oscar Apfel

Character: Dr. Wilcox

Ethel Griffies

Character: Nurse Lovett

Helen Jerome Eddy

Character: Mrs. Gilman

Bert Roach

Character: Mr. Gilman

Cecil Cunningham

Character: Mrs. Rosy

Lorin Raker

Character: Mr. Rosy

Blanche Payson

Character: Mrs. Thomas

Arthur Hoyt

Character: Mr. Thomas

Monte Montague

Character: Ambulance Driver

Hattie McDaniel

Character: Injured Patient (uncredited)

Ted Billings

Character: Napoleon (uncredited)

Walter Brennan

Character: Cigar Stand Proprietor (uncredited)

Elspeth Dudgeon

Character: Neighbor (uncredited)

Francis Ford

Character: Insane Asylum Warden (uncredited)

Mary Gordon

Character: Irish Neighbor (uncredited)

Olaf Hytten

Character: Doctor at Lecture (uncredited)

Jane Keckley

Character: Personnel Manager (uncredited)

Edwin Maxwell

Character: Prof. Von Mueller (uncredited)

Rose Plumer

Character: Neighbor (uncredited)

Arthur Thalasso

Character: Neighbor (uncredited)

Ellinor Vanderveer

Character: Visitor (uncredited)

Dick Winslow

Character: Irish Neighbor's Son (uncredited)