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 Geoff Pierson Cornelius Moss Guest Star Rob Morrow Abe Leonard Guest Star Mark Deklin Jack Bowman Guest Star Kevin R. McNally Harris Cochrane Guest Star Malik Yoba Jason Atwood Guest Star Reed Diamond John Forstell Guest Star Terry Serpico Patrick Lloyd Guest Star Bill Smitrovich Nate Butcher Guest Star Tanner Buchanan Leo Kirkman Guest Star Mckenna Grace Penny Kirkman Guest Star David Guggenheim Executive Producer, Writer Simon Kinberg Executive Producer Mark Gordon Executive Producer Nicholas Pepper Executive Producer Suzan Bymel Executive Producer Aditya Sood Executive Producer Frederick E.O. Toye Director