Kiefer Sutherland Tom Kirkman Actor, Executive Producer Natascha McElhone Alex Kirkman Actor Adan Canto Aaron Shore Actor Italia Ricci Emily Rhodes Actor LaMonica Garrett Mike Ritter Actor Kal Penn Seth Wright Actor Maggie Q Hannah Wells Actor Tanner Buchanan Leo Kirkman Guest Star Rob Morrow Abe Leonard Guest Star Malik Yoba Jason Atwood Guest Star Reed Diamond John Forstell Guest Star Peter Outerbridge Charlie Langdon Guest Star Mckenna Grace Penny Kirkman Guest Star Virginia Madsen Kimble Hookstraten Guest Star David Guggenheim Executive Producer Simon Kinberg Executive Producer Mark Gordon Executive Producer Nicholas Pepper Executive Producer Suzan Bymel Executive Producer Aditya Sood Executive Producer Sang Kyu Kim Writer Pierluigi Cothran Writer Tara Nicole Weyr Director