The Under-Pup

Gloria Jean

Pip-Emma Binns

Robert Cummings

Dennis Lane

Nan Grey

Priscilla Adams

C. Aubrey Smith

Grandpa

Beulah Bondi

Miss Delphine Thornton

Virginia Weidler

Janet Cooper

Margaret Lindsay

Mrs. Cooper

Raymond Walburn

Mr. Layton

Ann Gillis

Letty Lou

Paul Cavanagh

Mr. Franklin Cooper

Billy Gilbert

Tolio

Kenneth Brown

Tolio's Son

Billy Lenhart

Tolio's Son

Frank Jenks

Uncle Dan

Shirley Mills

Cecilia Layton

Samuel S. Hinds

Dr. McKay

Ernest Truex

Mr. Binns

Doris Lloyd

Mrs. Binns

Dickie Moore

Jerry Binns

Spencer Charters

Druggist

Joyce Aehle

Penguin Girl

Charles Coleman

Butler

Marie Farnum

Edna

June Harlan

Penguin Girl