Kim Dickens Madison Actor Cliff Curtis Travis Actor Frank Dillane Nick Actor Alycia Debnam-Carey Alicia Actor Elizabeth Rodriguez Liza Actor Mercedes Mason Ofelia Actor Rubén Blades Daniel Actor Lorenzo James Henrie Chris Actor Maestro Harrell Matt Guest Star Scott Lawrence Art Costa Guest Star Keith Powers Calvin Guest Star Lincoln Castellanos Tobias Guest Star Lynn Chen Nurse Guest Star Leon Thomas III Russell Guest Star Donald Agnelli Driver Guest Star Carlos E. Campos Faculty Member Guest Star B.J. Clinkscales LAPD Uni Guest Star Jack Donner Old Man Guest Star Micah Fitzgerald Pale Faced Junkie Guest Star Gavrielle Harris Student 1 Guest Star Lexi Johnson Gloria Guest Star Angelyna Martinez Psysics Teacher Guest Star Andrew Patrick Ralston Lab Coat Guest Star Lak Rana ICU Doctor Guest Star Robert Kirkman Executive Producer Dave Erickson Executive Producer Bill Johnson Producer