Suggestions by @spectra007

Bill Camp

as Professor Carr in The Empyrean Series

Score: +1

Dafne Keen

as Trina in The Empyrean Series

Score: +1

Ursula Parker

as Luca in The Empyrean Series

Score: +1

Julian Works

as Tynan in The Empyrean Series

Score: +1

Jackson Pace

as Oren Seifert in The Empyrean Series

Score: +1

Lindsay Duncan

as Winifred Colbersy in The Empyrean Series

Score: +1

Indy Lewis

as Nyra Voldaren in The Empyrean Series

Score: +1

Paul Bettany

as Lieutenant Colonel Nolon Colbersy in The Empyrean Series

Score: +1

Laurent Lafitte

as Professor Emetterio in The Empyrean Series

Score: +1

Davood Ghadami

as Professor Colonel Markham in The Empyrean Series

Score: +1

Tom Glynn-Carney

as Naolin in The Empyrean Series

Score: +1

Nathan Fillion

as Viscount Tecarus in The Empyrean Series

Score: +1

Jamie Flatters

as Halden Tauri in The Empyrean Series

Score: +1

Brianne Tju

as Maren Zina in The Empyrean Series

Score: +1

Emma Myers

as Sloane Mairi in The Empyrean Series

Score: +1

Casper Van Dien

as Professor Grady in The Empyrean Series

Score: +1

Stana Katic

as Patricia Holtzstein in The Locked Door

Score: +1

Fisher Stevens

as Aaron Nierling in The Locked Door

Score: +1

Teresa Palmer

as Nora Davis in The Locked Door

Score: +1

Karin Konoval

as Prison librarian in The River is Waiting

Score: +1