• 
• Lola Adler
• Apatura Clythia
  

• 
• Seldon Bennett
• Messenger
  

• 
• Mary Blair
• Chrysalis
  

• 
• Orrin Burke
• Quartermaster
  

• 
• Scott Cooper
• Male Beetle
  

• 
• Jane Corcoran
• Female Beetle
  

• 
• Jasper Deeter
• Parasite
  

• 
• James Difley
• Inventor
  

• 
• Grace Dougherty
• Ichneumon Fly's Larva
  

• 
• Robert Edeson
• The Vagrant
  

• 
• Vinton Freedley
• Male Cricket
  

• 
• Etienne Girardot
• Otakar
  

• 
• May Hopkins
• War Worker
  

• 
• Paul Irving
• Another Male Beetle
  Blind Ant
  

• 
• Rexford Kendrick
• Victor
  

• 
• Robert Lawler
• Journalist
  

• 
• Kenneth MacKenna
• Felix
  Commander-in-Chief of Yellow Ants
  

• 
• Ann Martin
• A Baby
  

• 
• Beatrice Maude
• Apatura Iris
  

• 
• Harold McGee
• Bond Salesman
  

• 
• Henry Mortimer
• Woodcutter
  

• 
• Edgar Norton
• Ichneumon Fly
  

• 
• Logan Paul
• Telegrapher
  

• 
• N. St. Clair Hales
• Head of General Staff
  The Professor
  

• 
• Susan Steele
• A Woman
  

• 
• John Ward
• Dictator
  

• 
• Mabel Withee
• Female Cricket
  

• 
• Josef Capek
• Writer
  

• 
• Karel Capek
• Writer
  

• 
• Owen Davis
• Book Adaptation
  

• 
• John Cromwell
• Staging
  

• 
• William A. Brady
• Producer