John Nesbitt

Narrator (voice)

Matthew Boulton

Dr. Edward Jenner (uncredited)

Helen Brown

Mary Phipps (uncredited)

Harry Cording

Village Dairyman (uncredited)

Fay Helm

Mrs. Edward Jenner (uncredited)

Raymond Severn

Little Jim Phipps (uncredited)

William Tannen

Sarah's Sweetheart (uncredited)

Henry K. Dunn

Director

Leonid Raab

Orchestrator

David Snell

Original Music Composer

Mildred Rich

Editor

Jackson Rose

Director of Photography

John Nesbitt

Producer

Herman Boxer

Screenplay