. Unlike the original series, which begins after society has already fallen, this prequel focuses on the confusion and slow burn of the initial virus outbreak, the failure of government authorities, and the immediate fight for survival. Key Cast Members Kim Dickens as Madison Clark. Cliff Curtis as Travis Manawa. Frank Dillane as Nicholas "Nick" Clark. Alycia Debnam-Carey as Alicia Clark. Rubén Blades as Daniel Salazar. Episode Guide