The Lunatic at Large

Leon Errol

Sam Smith

Dorothy Mackaill

Beatrix Staynes

Jack Raymond

Mandell Essington

Warren Cook

Dr. Wilkins

Kenneth MacKenna

William Carroll / Henry Carroll

Tom Blake

Maxwell

Charles Slattery

Lunt

Theresa Maxwell Conover

Aunt Teddy

Fred C. Newmeyer

Director

J. Storer Clouston

Story