• 
  Cas Anvar

  Sanjay Desai
• 
  Jocelyn Hudon

  Abby
• 
  Gugun Deep Singh

  Pinsky
• 
  Anthony Grant Lake

  Strigoi
• 
  K.C. Collins

  Roman
• 
  Natalie Brown

  Kelly Goodweather
• 
  Rhona Mitra

  Charlotte
• 
  David Bradley

  Abraham Setrakian (credit only)

• 
  Robin Atkin Downes

  The Master
• 
  Kevin Durand

  Vasiliy Fet
• 
  Jonathan Hyde

  Eldritch Palmer / The Master (credit only)
• 
  Robert Maillet

  The Master
• 
  Rupert Penry-Jones

  Mr. Quinlan
• 
  Richard Sammel

  Thomas Eichorst
• 
  Corey Stoll

  Ephraim Goodweather (credit only)

• 
  Max Charles

  Zach Goodweather
• 
  Ruta Gedmintas

  Dutch Velders (credit only)
• 
  Miguel Gomez

  Augustin 'Gus' Elizalde (credit only)