Eliza Taylor Clarke Actor Paige Turco Dr. Abby Griffin Actor Bob Morley Bellamy Actor Marie Avgeropoulos Octavia Actor Devon Bostick Jasper Actor Lindsey Morgan Raven Actor Christopher Larkin Monty Actor Richard Harmon Murphy Actor Zach McGowan Roan Actor Isaiah Washington Chancellor Jaha Actor Henry Ian Cusick Marcus Kane Actor Erica Cerra A.L.I.E. Guest Star Jarod Joseph Nathan Miller Guest Star Tasya Teles Echo Guest Star Jason Rothenberg Executive Producer Leslie Morgenstein Executive Producer Ed Fraiman Director Justine Juel Gillmer Writer