Kiefer Sutherland Tom Kirkman Actor, Executive Producer Paulo Costanzo Lyor Boone Actor Adan Canto Aaron Shore Actor Italia Ricci Emily Rhodes Actor LaMonica Garrett Mike Ritter Actor Zoe McLellan Kendra Daynes Actor Ben Lawson Damian Rennett Actor Kal Penn Seth Wright Actor Maggie Q Hannah Wells Actor Timothy Busfield Dr. Adam Louden Guest Star, Director Tanner Buchanan Leo Kirkman Guest Star Mckenna Grace Penny Kirkman Guest Star Jake Epstein Chuck Russink Guest Star Lisa Marcos Sen. Sanchez Guest Star Chelsea Harris Tricia Sims Guest Star Miguel Perez Ramon Bravo Guest Star Emiliano Díez President Ortega Guest Star David Guggenheim Executive Producer Mark Gordon Executive Producer Simon Kinberg Executive Producer Nicholas Pepper Executive Producer Jeff Melvoin Executive Producer Suzan Bymel Executive Producer Aditya Sood Executive Producer Keith Eisner Writer