Cast and Crew of The Day the Earth Stood Still

The Day the Earth Stood Still

"The Day the Earth Stood Still" follows Klaatu, an alien emissary portrayed by Keanu Reeves, who arrives on Earth with a critical mission. His species has endured profound evolutionary changes to withstand severe climate shifts, and now he must evaluate whether humanity can change its destructive ways. Klaatu's arrival sparks tension and curiosity as he seeks to communicate the urgent need for environmental responsibility.

Jennifer Connelly stars as Helen Benson, a scientist who becomes Klaatu's primary human contact. As tensions rise and misunderstandings threaten to spiral out of control, Helen advocates for dialogue and understanding between Klaatu and Earth's inhabitants. Through her efforts, she represents of hope that humans can listen and potentially alter their course before it’s too late.

When Klaatu's attempts to address the United Nations are denied, he confronts a grim decision. Faced with humanity's refusal to acknowledge the planet's perilous state, Klaatu contemplates exterminating humankind to save the Earth itself. The story unfolds as a profound reflection on environmental stewardship, the consequences of ignoring scientific warnings, and the fragile balance between survival and destruction.

Main Cast of The Day the Earth Stood Still

Keanu Reeves as Klaatu

Keanu Reeves

Klaatu
Jennifer Connelly as Helen Benson

Jennifer Connelly

Helen Benson
Jaden Smith as Jacob Benson

Jaden Smith

Jacob Benson
Jon Hamm as Michael Granier

Jon Hamm

Michael Granier
Kathy Bates as Regina Jackson

Kathy Bates

Regina Jackson
John Cleese as Professor Barnhardt

John Cleese

Professor Barnhardt
Kyle Chandler as John Driscoll

Kyle Chandler

John Driscoll

Crew of The Day the Earth Stood Still

Full backstage crew list →