• 
  David Pevsner

  2 episodes, 2016-2018
• 
  Tyler Andrew Coleman

  2 episodes, 2018
• 
  Charlie David

   Voice (unknown episodes)
• 
  Eric Turic

   Dan (1 episode, 2016)
• 
  Steven Patterson

   Mr. Pendlebrook (1 episode, 2016)
• 
  Stephen Twardokus

  (1 episode, 2016)
• 
  Jonathan Cahill

   Mike (1 episode, 2016)
• 
  Vincent Cusimano

   Wendall (1 episode, 2016)

• 
  Brian Sheppard

   Lee Harper (1 episode, 2016)
• 
  Matthew McKelligon

   Marty (1 episode, 2016)
• 
  Stephen J. Carrington

   Terrified Man (1 episode, 2016)
• 
  Caitlin Marie Wagner

   Sandy (1 episode, 2016)
• 
  Michael Varrati

   The Ghost of Christmas Past (1 episode, 2016)
• 
  Benjamin Lutz

  2 episodes, 2016-2017
• 
  Patrick Falvey

  2 episodes, 2016-2017

• 
  Aaron Veach

  Jim Woods
• 
  Ian Phillips

  Grant
• 
  Peter Stickles

  Capt. Saxon
• 
  Alexis C. Martino

  Ellen Woods
• 
  Deborah Venegas

  Kathy
• 
  Thomas Colby

  Mr. Lyce
• 
  Berna Roberts

  Dr. Judi Meredith
• 
  Sam F. Park

  Curator