- Ep: 1
- Army of God
- Cast: John Cater (Elderly Man), Annie Farr (Mother), Giles Foreman (Journalist), David Hounslow (Supervisor), Oliver Jackson Cohen (Colm), Akbar Kurtha (Hisham), Tamzin Merchant (Helena), Daniel Naprous (Jaques De Saint Omar), Paul Nicholls (James), Carol Noakes (Press), Paul Rhys (Laygass)
- Written By: Matthew Graham
- Directed By: James Strong
- Ep: 2
- Warriors
- Cast: Stewart Alexander (King), Scott M. Bourne (Oban), Duane Henry (Anthony), Leon Herbert (Dr. Adabankah), William Hope (Preston Lester), Doreen Mantle (Mary Cunley), Carol Noakes (UK Journalist), Ian Porter (George Washington), William Tapley (Joe), Frances Tomelty (Karen Magwilde), Eamonn Walker (Senator Joy), Trevor White (Bobby), Benjamin Whitrow (Mr. Carr)
- Written By: Ashley Pharoah
- Directed By: James Strong
- Ep: 3
- The Eternal Fire
- Cast: Jonathan Aris (Jeff Greenwood), Henrietta Bess (Reporter), Sally Dexter (Gloria), Anthony Green (Marcus Quintanus), Shauna MacDonald (Boudicca), Jay Villiers (Cassius)
- Written By: Matthew Graham
- Directed By: Sarah O'Gorman
- Ep: 4
- The Cradle of Civilisation
- Cast: Justin Allder (Aide), Gemma Baker (Sally), Silas Carson (Kahmil), Telka Donyai (Khanna), Darrell D'Silva (Amwar), Sherif Eltayeb (Ali), Vicky Hall (Nurse Strong), Matt Rippy (Jimmy Paul), David Ryall (Max Garris), Nina Sosanya (Rachel), Frances Tomelty (Karen Magwilde)
- Written By: Matthew Graham
- Directed By: James Strong
- Ep: 5
- The Lines of War
- Cast: James D'Arcy (Captain Roberts), Burn Gorman (Major Banks), Joe Grossi (Monk), Adam James (John), Patrick Monckeberg (Gruber), Peter Sandys-Clarke (Silverman), Gabrielle Scharnitzky (Dr. Becker), Philippe Smolikowski (Monsieur Luc), Sam Spiegel (Henri), Jane Thorne (Nun), Frances Tomelty (Karen Magwilde)
- Written By: Tom MacRae
- Directed By: Nick Hurran
- Ep: 6
- Follow the Gleam
- Cast: Jeremy Bulloch (Masked Man), Alex Felton (Arthur Hallam), Dexter Fletcher (Michael Gift), Grant Gillespie (Lawyer), Vicky Hall (Nurse Strong), Tobias Menzies (Scott), David Oakes (Alfred Lord Tennyson), Frances Tomelty (Karen Magwilde), Rick Warden (Kevin)
- Written By: Matthew Graham
- Directed By: Iain B. MacDonald
| Julie Graham .................. Dr. Gillian Magwilde |
| Adrian Lester ........................ Dr. Ben Ergha |
| Michael Maloney ........... Professor Daniel Mastiff |
| Gugu Mbatha-Raw .......................... Viv Davis |
| Hugh Bonneville ... Professor Gregory "Dolly" Parton |
