The Expanse Season 4 Episode 4
Retrograde
Drummer and Ashford confront a dangerous person from Naomi's past. Murtry hunts down a target. Bobbie's makes a life-changing confession.
Guest Stars
Keon Alexander
Marco Inaros
David Strathairn
Klaes Ashford
Burn Gorman
Adolphus Murtry
Rosa Gilmore
Lucia Mazur
Lyndie Greenwood
Elvi Okoye