Cast from The Blot

Philip Hubbard

Prof. Andrew Theodore Griggs

Margaret McWade

Mrs. Griggs

Claire Windsor

Amelia Griggs

Louis Calhern

Phil West

Marie Walcamp

Juanita Claredon

William H. O'Brien

College Student (uncredited)

Gertrude Short

Neighbor Olsen's Daughter (uncredited)

Larry Steers

Dinner Guest (uncredited)