The actor who plays Ryusui in Dr. STONE. Born November 11, 2001. 183cm. Hailing from the Nanami Conglomerate, one of the world's wealthiest families, it's a mystery why he chose acting. He is cheerful, boisterous, confident, and charismatic. Representing 'desire,' his mindset is 'I want it = Justice.' However, his greed isn't petty; it's fundamental and bold. He is a proactive, cool individual who works harder than anyone to get what he wants. He often drops memorable quotes. He has a habit of snapping his fingers and saying, 'I want that!' whenever he desires something.

The actor who plays Senku in Dr. STONE. Born January 4, 2004. 171cm. Fitting for his role, he is a genius who knows almost everything about science. Surprisingly, he was just a regular student before becoming an actor. When thinking deeply, he brings his index and middle fingers to his face. He is independent, indifferent, and mischievous, yet shows a warm-hearted side. His catchphrases include 'This is exhilarating,' and exaggerated numerical expressions like '10 billion percent' or 'not even 1mm.' He loves ramen.

The actor who plays Gen in Dr. STONE. Born April 1, 1998. Japanese. 175cm. Before acting, he worked as a magician and mentalist. He is a master of magic, psychology, and eloquence. He sees through others' minds and uses his skills to create favorable situations. He is the mood maker and the 'tsukkomi' (straight man) of the group. He calls everyone by their name plus '-chan.' He loves cola.

The actor who plays Xeno in Dr. STONE. Born October 1, 1993. 180cm. Mixed American and Japanese heritage. True to his character, he actually worked at NASA before becoming an actor, though he left after frequent clashes with superiors. He uses the exclamation 'Elegant!' when he finds something pleasing. He calls Stanley 'Stan.' He loves cheeseburgers.

The actor who plays Stanley in Dr. STONE. Born September 1, 1993. Mixed American and Japanese heritage. 180cm. Before acting, he was a member of the US Marine Corps Special Forces. He is stoic toward everyone except Xeno. While he isn't fond of Xeno's long-winded scientific explanations, he listens anyway. He actually piloted the light aircraft seen in the show himself. A heavy smoker. He loves burritos. His catchphrase is 'I can do it' (fans often use the Japanese 'Dekiru ne').

The actor who plays Chrome in Dr. STONE. Born February 4, 2006. 170cm. A professional actor who initially knew nothing about science, but learned diligently from Senku after being cast to pull off the role. Consequently, he is the most knowledgeable and interested in science after Senku and Xeno. He has excellent creative thinking. He is loud and extroverted. He has a habit of shouting 'Badass!' (Yabai!) when he sees something amazing.

The actor who plays Ukyo in Dr. STONE. Born June 5, 1994. 173cm. Before acting, he was a sonar technician for the Maritime Self-Defense Force. He possesses incredible hearing and is very perceptive. Since Ukyo uses a bow in the show, he has become highly skilled in archery. He is fundamentally a pacifist with a gentle personality, acting as the 'mother' of the team. He loves bread.

The actor who plays Sai in Dr. STONE. Born 1998. 177cm. A member of the Nanami Conglomerate and Ryusui's half-brother; he only appeared because Ryusui dragged him into it. He is a mathematical prodigy who graduated from the Indian Institute of Technology. He and Ryusui didn't get along as children because Ryusui was always pestering him to do things together. He looks like he's ready to bolt the moment he sees Ryusui. He makes unique sounds like 'Pigyaaa!' when startled.

The actor who plays Kohaku in Dr. STONE. Born 2006. She was a gymnast before becoming an actor. She has a habit of letting out a sharp 'Ha!' when starting a sentence. She tends to handle everything with high speed and efficiency. She dotes on Suika.