Darwin Was Right

George O'Hara

Robert Lee

Stanley Blystone

Courtney Lawson

Dan Mason

Henry Baldwin

Lon Poff

Egbert Swift

Bud Jamison

Alexander

Merta Sterling

Liza

Nora Cecil

Aunt Priscilla

Carmencita Johnson

Baby (uncredited)

Nell Brantley

Alice

David Kirby

The Crook

Joan Meredith

Undetermined Secondary Role (uncredited)