Doctor Bull [Spanish]

Will Rogers

Dr. George 'Doc' Bull

Marian Nixon

May Tupping - Telephone Operator

Vera Allen

Mrs. Janet Cardmaker

Howard Lally

Joe Tupping

Berton Churchill

Herbert Banning - Janet's Brother

Louise Dresser

Mrs. Herbert Banning

Andy Devine

Larry Ward, Sodajerk

Rochelle Hudson

Virginia (Muller)

Rochelle Hudson

Banning

Tempe Pigott

Grandma Banning

Elizabeth Patterson

Aunt Patricia Banning

Nora Cecil

Aunt Emily Banning

Ralph Morgan

Dr. Verney - Owner Verney Laboratory

Patsy O'Byrne

Susan - Dr. Bull's Cook

Veda Buckland

Mary - Janet's Maid

Effie Ellsler

Aunt Myra Bull

Helen Freeman

Helen Upjohn - New Winton Postmistress

Reginald Barlow

Supporter #1 for Dr. Bull

Georgie Billings

Bruce Upjohn