• 
  Bea W. Bliss

   Agent Marissa Stone (1 episode, 2015)
• 
  Darryl W. Handy

   Captain Richard Bishop (1 episode, 2015)
• 
  Will Liberman

   Agent Conner Grimes (1 episode, 2015)
• 
  Kathy Walton Pulley

   Rosa (1 episode, 2015)
• 
  Sherri Mack

   Catherine Bishop (1 episode, 2015)
• 
  Jeanna Lue

   Agent Aickens (1 episode, 2015)
• 
  Jennifer Nguyen

   Susanne Kellerman (1 episode, 2015)
• 
  Christina Leidel

   Addison Grimes (1 episode, 2015)

• 
  DJames Jones

   Agent Zimbrick (1 episode, 2015)
• 
  Sir Brodie

   Professor William McEntire (1 episode, 2015)
• 
  Victoria Tsymbal

   Victoria Nikoli (1 episode, 2015)
• 
  Aja Wooldridge

   Young Marissa Stone (1 episode, 2015)
• 
  Michael Mercaldi

   Agent Velasquez (1 episode, 2015)
• 
  Jamie White

   Marshall Stone (1 episode, 2015)
• 
  Jim Gann

   Joe Miller (1 episode, 2015)

• 
  Jeremy Carr

   Donald Driscoll (1 episode, 2015)
• 
  Arielle Liberman

   Rebecca Kaminski (1 episode, 2015)
• 
  Egypt Robinson

   Markus Fisherman (1 episode, 2015)
• 
  Olga Filatova

   Ivanka D'Mitry (1 episode, 2015)
• 
  Italo Medelius

   Agent Bruschi (1 episode, 2015)
• 
  Christopher Martin

   David O'Kelly (1 episode, 2015)
• 
  Carl Clemons

  1 episode, 2018