Special Guest Stars Cobie Smulders as Maria Hill O.T. Fagbenle as Mason Guest Stars Irmena Chichikova as Kreega Michael Epp as Ruben Steiner Mark Bazeley as Victor Dalton Mark Lewis as Zirksu Tony Curran as Derrik Anna Wilson-Jones as Female Surgeon Jack Gouldbourne as Nuro Simon Smith as Finnish Man Tom Scurr as Nurse #1 Tony Metcalfe as Male Surgeon Malcolm James as British News Presenter Christian Anthony Greenway as SIS Official 2 Joe Macaulay as SIS Official 1 Jessica Martenson as Window Agent Heidi Niemi as K9 Guard