The Last Man on Earth: Reparto
Earle Foxe
Elmer Smith
Grace Cunard
Gertie
Gladys Tennyson
Frisco Kate
Derelys Perdue
Hattie
Maurice Murphy
Elmer's Pal
Clarissa Selwynne
Dr. Prodwell
Fay Holderness
Elmer's Mother
Marion Aye
Red Sal
Harry Dunkinson
Elmer's Father
Marie Astaire
Paula Prodwell
Pauline French
Furlong
Buck Black
Elmer - age 8 (prologue)
Jean Johnston
Hattie - age 6 (prologue)
William Steele
Hattie's Father (prologue)
Jean Dumas
Hattie's Mother (prologue)
Lois Boyd
Undetermined Secondary Role (uncredited)
Anita Garvin
A Millionairess (uncredited)
Martha Mattox
President of the United States (uncredited)
Joan Meredith
Undetermined Secondary Role (uncredited)