Zero Day

Zero Day

2025
7.0
1 Seasons
Drama War & Politics

A former U.S. President is called out of retirement to find the source of a deadly cyberattack, only to discover a vast web of lies and conspiracies.

Season

Episodes

Episode 1
Ep 1

Episode 1

Former President George Mullen's comfortable retirement is upended after he's asked to lead an investigation into a horrific cyberattack.

Episode 2
Ep 2

Episode 2

Mullen's commission investigates a hacking ring. President Mitchell weighs retaliation. A powerful figure has demands for Roger.

Episode 3
Ep 3

Episode 3

Mullen's initial arrests draw blowback from the public — especially TV pundit Evan Green. Alex faces pressure to investigate her father.

Episode 4
Ep 4

Episode 4

A shock to the financial system increases scrutiny on Mullen's commission. Valerie investigates Proteus. Roger must make a difficult choice.

Episode 5
Ep 5

Episode 5

A personal tragedy reopens old wounds for the Mullen family. Speaker Dreyer pushes for a change in leadership. Sheila testifies before Congress.

Episode 6
Ep 6

Episode 6

A new threat creates further unrest across the nation. As he narrows in on the culprit, Mullen is faced with an agonizing decision.

Cast

Robert De Niro

Robert De Niro

President George Mullen

Jesse Plemons

Jesse Plemons

Roger Carlson

Lizzy Caplan

Lizzy Caplan

Alexandra Mullen

Connie Britton

Connie Britton

Valerie Whitesell

Joan Allen

Joan Allen

Sheila Mullen

Bill Camp

Bill Camp

CIA Director Jeremy Lasch

Dan Stevens

Dan Stevens

Evan Green

McKinley Belcher III

McKinley Belcher III

Carl Otieno

Matthew Modine

Matthew Modine

Richard Dreyer

Angela Bassett

Angela Bassett

President Evelyn Mitchell