Dr. Richard Cernovich (played by Neil Dickson) is a protagonist in The Quantum Devil.
Luke Matthews (played by Tyler Tackett) appears in The Quantum Devil.
Ivanna Escalante (played by Ariadna Cabrol) appears in The Quantum Devil.
Klaatu (played by Mehmet Cerrahoglu) appears in The Quantum Devil.
Brad Richards (played by Edward Apeagyei) appears in The Quantum Devil.
Sophie (played by Tamara Radovanović) appears in The Quantum Devil.
Cernovich's driver (played by Milan Todorović) appears in The Quantum Devil.
Heinrich (played by Marcus Jean Pirae) appears in The Quantum Devil.