Covert CIA agent Martian is ordered to abandon his undercover life and return to London Station. When the love he left behind unexpectedly reappears, their romance reignites, pitting his career, his real identity and his mission against his heart while hurling them both into a deadly game of international intrigue and espionage.
Brandon 'Martian' Colby / Paul Lewis
Henry Ogletree
Dr Samia 'Sami' Zahir
Naomi Ford
Dr Rachel Blake
Owen Lublin
Daniela 'Danny' Ruiz Morata
Poppy Cunningham
Grandpa
Grandma
Reza Mortazevi
Blair
James 'Bosko' Bradley
