Eliza Taylor Clarke Actor Paige Turco Dr. Abby Griffin Actor Thomas McDonell Finn Actor Bob Morley Bellamy Actor Marie Avgeropoulos Octavia Actor Devon Bostick Jasper Actor Lindsey Morgan Raven Actor Ricky Whittle Lincoln Actor Christopher Larkin Monty Actor Isaiah Washington Chancellor Jaha Actor Henry Ian Cusick Marcus Kane Actor Alycia Debnam-Carey Lexa Guest Star Richard Harmon John Murphy Guest Star Erica Cerra Becca Guest Star Neil Sandilands Titus Guest Star Jason Rothenberg Executive Producer Leslie Morgenstein Executive Producer Dean White Director Javier Grillo-Marxuach Writer