Halo: Nightfall S1, E4

While investigating terrorist activity on the distant colony world of Sedra, Jameson Locke and his team are caught in a horrific biological attack that exposes them to a much deeper danger.

Cast:Steven Waddington , Siennah Buck , Mike Colter , Christian Contreras , Alex Bhat , Luke Neal , Jonathan Harden , Sarah Armstrong , Shaun Blaney , Katherine Fitzpatrick , Eleanor Williams , Christina Chong , Enda Oates , Jennie Gruner , Rob Pavey , Dermott Hickson , Eric Kofi-Abrefa , Alexis Rodney