In the movie Interstellar, two robots stand out: TARS and CASE. They are not your typical sci-fi machines. Instead of humanoid shapes, they have a unique and functional design.
These robots are more than just tools. They have personality, wit, and a deep bond with the human crew. But who exactly are they, and why are they so important?
What Are TARS and CASE?
TARS and CASE are AI-driven robots created to assist astronauts in space missions. They have a rectangular, monolithic shape and can split into separate limbs for different tasks.
- TARS – The more talkative and humorous of the two. He serves as a companion, offering both technical and moral support to the crew.
- CASE – The quieter and more reserved robot. He plays a key role in crucial moments but speaks less than TARS.
Both robots have adjustable settings for honesty, humor, and discretion, making them highly adaptable to human needs.

Why Do They Look So Strange?
Unlike classic robots in movies, TARS and CASE were designed for function over form. Their boxy shapes help them operate in extreme environments.
- They can walk using four mechanical arms.
- They transform their structure to move across different terrains.
- They spin to move faster or swim in water.
The design may seem odd at first, but it makes them incredibly practical.
Personality and Humor
The robots are not just logic-driven machines. They have personalities that make them feel almost human. TARS, in particular, has a sharp wit.
A great example is when TARS jokes about not revealing a secret mission’s details. His humor is programmed but feels natural, making the interactions more engaging.
How They Help the Crew
TARS and CASE perform multiple tasks during the space journey:
- Assisting in piloting the Endurance spacecraft.
- Collecting and analyzing data.
- Helping in dangerous situations, like the ocean planet scene.
- Providing emotional support when the crew needs it.

The Most Heroic Moments
Both robots have critical moments in the movie:
- CASE helps save Cooper and Brand on Miller’s water planet by acting quickly in rough waves.
- TARS plays a crucial role in the climax, helping Cooper navigate the black hole.
Their intelligence and determination show they are more than just machines. They are heroes.
Real or CGI?
Unlike most sci-fi movies, TARS and CASE were not just CGI creations. Director Christopher Nolan wanted them to feel real. Puppetry and practical effects were used in many scenes. This made the robots more tangible and natural in the film.
Conclusion
TARS and CASE may not look like traditional robots, but they are unforgettable. Their personalities, humor, and loyalty make them stand out.
They are not just machines. They are friends, comrades, and heroes in one of the greatest space films ever.