When Worlds Collide Poster

When Worlds Collide 1951

★ 6.4199 votes83 min📅 1951-09-14

"Planets destroy earth!"

In the gripping sci-fi thriller *When Worlds Collide (1951)*, director Rudolph Maté crafts a tense race against time as a team of astronomers uncovers a catastrophic secret: a rogue star hurtling toward Earth, trailed by a planet that will wreak havoc long before impact.

Director: Rudolph Maté

Cast

Richard Derr
Richard Derr
David Randall
Barbara Rush
Barbara Rush
Joyce Hendron
Peter Hansen
Peter Hansen
Dr. Tony Drake
John Hoyt
John Hoyt
Sydney Stanton
Larry Keating
Larry Keating
Dr. Cole Hendron
Rachel Ames
Rachel Ames
Julie Cummings
Stephen Chase
Stephen Chase
Dr. George Frye
Frank Cady
Frank Cady
Harold Ferris
Hayden Rorke
Hayden Rorke
Dr. Emery Bronson
Sandro Giglio
Sandro Giglio
Dr. Ottinger

Frequently Asked Questions

What is When Worlds Collide (1951) about?

This 1951 sci-fi classic follows astronomers who discover a cataclysmic threat: a star and its planet are on a collision course with Earth. With mere days to prepare, they build a rocket to ferry a select group to safety, leaving behind a planet headed for annihilation. It's a gripping tale of human ingenuity and the fight for survival.

Who directed When Worlds Collide?

Rudolph Maté directed this iconic 1951 sci-fi adventure, known for his work in both cinematic storytelling and visual effects that brought the film's cosmic disaster to life.

Who stars in When Worlds Collide?

The film features Richard Derr as the resourceful lead, Barbara Rush as a key survivor, and Peter Hansen rounding out the main cast, delivering performances that ground the high-stakes drama in human emotion.

Is When Worlds Collide (1951) worth watching?

Absolutely—while it's a product of its time, *When Worlds Collide (1951)* remains a standout in classic sci-fi for its thrilling premise and emotional depth. Its themes of survival and sacrifice still resonate, making it a rewarding watch for retro genre fans.

How long is When Worlds Collide?

The film runs for 83 minutes, a tight runtime that keeps the tension high and the story moving at a brisk pace.

🎥 Trailer

About When Worlds Collide (1951) — Classic Sci-Fi Survival Thriller Explained

In the gripping sci-fi thriller *When Worlds Collide (1951)*, director Rudolph Maté crafts a tense race against time as a team of astronomers uncovers a catastrophic secret: a rogue star hurtling toward Earth, trailed by a planet that will wreak havoc long before impact. As tidal waves and earthquakes ravage the planet, the scientists race to construct a colossal rocket, selecting a handful of survivors to escape humanity's impending doom. The film blends high-stakes survival drama with space-age wonder, weaving themes of desperation, sacrifice, and humanity's fragile place in the cosmos. Richard Derr stars as the determined lead, while Barbara Rush delivers emotional depth as the story's moral center, all set against a backdrop of cinematic ingenuity that defined 1950s sci-fi.

*When Worlds Collide (1951)* isn't just a spectacle of destruction—it's a meditation on hope and resilience, where every decision carries the weight of extinction. The film's atmospheric tension, paired with its groundbreaking special effects for the era, makes it a must-watch for fans of vintage sci-fi who crave both thrills and thoughtful storytelling.