• 
  Joey King

  Bessie
• 
  Susan Heyward

  Etta
• 
  John Bedford Lloyd

  Arthur Roeder
• 
  Joe Grifasi

  Nonno
• 
  Neal Huff

  Dr. Flint
• 
  Cara Seymour

  Wiley Stephens
• 
  Scott Shepherd

  Mr. Leech
• 
  Tom Galantich

  Radium Lawyer

• 
  Brandon Gill

  Thomas
• 
  Colby Minifie

  Doris
• 
  Collin Kelly-Sordelet

  Walt
• 
  Grace Gray

  Miriam
• 
  Gina Piersanti

  Hazel
• 
  Abby Quinn

  Josephine
• 
  Olivia Macklin

  Paula

• 
  Veanne Cox

  Dr. Katherine Drinker
• 
  Greg Hildreth

  Henry Berry
• 
  Steven Hauck

  Dr. Marland
• 
  Carol Cadby

  Mrs. Butkiss