• 
  Mary McCormack

  Peggy Cleary
• 
  Michael Cudlitz

  Mike Cleary
• 
  Jack Gore

  Timmy Cleary
• 
  Sawyer Barth

  Frank
• 
  Sam Straley

  Lawrence
• 
  Christopher Paul Richards

  Joey
• 
  Andy Walken

  William
• 
  Caleb Foote

  Eddie

• 
  Santino William Barnard

  Pat
• 
  Tim Doyle

  3 episodes, 2018
• 
  Jax Laucius

  3 episodes, 2018
• 
  Kennedy Lea Slocum

  3 episodes, 2018
• 
  Sawyer Laucius

  11 episodes, 2018-2019
• 
  Paul Dooley

  Fr. Dunne
• 
  Markie Post

  Helen

• 
  Thomas Barbusca

  Davey
• 
  Jojo Nwoko

  Fr. Abdi
• 
  Michael Cornacchia

  Boxcar Benji
• 
  Galadriel Stineman

  Fiona
• 
  Sarah Benoit

  Sister Euphemia