Alex Rider Main cast, played by Toby Stephens Episode 2x03: Mirror (Dec 3, 2021) Episode 2x04: Serpent (Dec 3, 2021) Episode 2x05: Threats (Dec 3, 2021) Episode 2x06: Heist (Dec 3, 2021) Episode 2x07: Assassin (Dec 3, 2021) Episode 2x08: Strike (Dec 3, 2021)