Casts
Chester Lauck
as Lum Edwards
Norris Goff
as Abner Peabody
Franklin Pangborn
as Mr. Pinkney
Kay Linaker
as Mrs. Madge Carmen
Irving Bacon
as Omar Tennyson Gimpel
Herbert Rawlinson
as J. J. Stark Sr.
Ivan F. Simpson
as Professor Albert Frisby (as Ivan Simpson)
Rosemary La Planche
as Miss LaPlanche, Dr. O'Brien's Nurse
