Cast of Zero Day

Robert De Niro plays George Mullen, a central figure in the political conspiracy.

Angela Bassett portrays President Evelyn Mitchell, who faces the challenges of a global cyberattack.

Jesse Plemons takes on the role of Roger Carlson, whose involvement is critical to the unfolding conspiracy.

Lizzy Caplan plays Alexandra Mullen, a key character within the Mullen family.

Connie Britton is Valerie Whitesell, whose connections impact the narrative.

Joan Allen portrays Sheila Mullen, an integral part of the Mullen family's story.

Matthew Modine takes on the character of Richard Dreyer, who is involved in the political turmoil.

Bill Camp plays CIA Director Jeremy Lasch, overseeing critical intelligence operations.

Dan Stevens plays Evan Green, whose role intertwines with the main plot.

McKinley Belcher III portrays Carl Otieno, contributing to the intrigue of the series.

Gaby Hoffmann is Monica Kidder, playing a role in the cyberthreat landscape.

Clark Gregg takes on the role of Robert Lyndon, connected to the unfolding events.