The actor playing Ryusui in Dr. STONE. Born November 11, 2001. 183cm. Hails from the Nanami Conglomerate, one of the world's wealthiest families; no one knows why he chose acting. A cheerful, boisterous man with confidence and charisma. He represents greed, with a mindset of "Desire = Justice." However, Ryusui's desire is not foul but fundamental and dignified. He is a proactive and cool person who works harder than anyone to get what he wants. He often drops famous quotes. When he wants something, he has a habit of snapping his fingers and saying, "I want that (whatever it is)!"

The actor playing Senku in Dr. STONE. Born January 4, 2004. 171cm. Fitting for his role as Senku, he is a massive genius who knows almost everything about science. Surprisingly, he was just a student before becoming an actor. When thinking deeply, he strikes a pose by raising his index and middle fingers to his face. He is a free spirit, indifferent and mischievous, but also shows a warm-hearted side. His catchphrases include the exclamation "This is exhilarating!" and exaggerated numerical expressions like "10 billion times," "10 billion percent," and "not even 1mm." He loves ramen.

The actor playing 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 rhetoric. He sees through others' minds and uses magic and speech to create situations advantageous to himself. He is the mood maker and the "tsukkomi" (straight man) of the team. He calls people by adding "-chan" to their names. He loves cola.

The actor playing Xeno in Dr. STONE. Born October 1, 1993. 180cm. Mixed American and Japanese. Fitting for his role as Xeno, he actually worked at NASA before acting. He quit due to frequent trouble with superiors. When he likes something, he uses the exclamation "How elegant." He calls Stanley "Stan." He loves cheeseburgers.

The actor playing Stanley in Dr. STONE. Born September 1, 1993. Mixed American and Japanese. 180cm. Before acting, he was a member of the US Marine Corps Special Forces. He has a stoic personality toward everyone except Xeno. He doesn't particularly enjoy Xeno's long-winded scientific explanations, but he listens anyway. He actually flew the light aircraft in the scenes where his character does so. A heavy smoker. He loves burritos. His catchphrase is "It's possible." Fans often use the Japanese pronunciation 'Dekiru ne' when writing fanfiction.

The actor playing Chrome in Dr. STONE. Born February 4, 2006. 170cm. He was originally an actor and knew nothing about science, but after being cast, he learned science diligently from Senku to pull off the role. As a result, he is the most knowledgeable and interested in science after Senku and Xeno. He is especially brilliant at coming up with ideas. He is loud and extroverted. He has a habit of saying "Baaad!" (Awesome) when he sees something amazing.

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

The actor playing Sai in Dr. STONE. Born in 1998. 177cm. A member of the Nanami Conglomerate and Ryusui's half-brother; he appeared in the show because Ryusui dragged him into it. He is naturally gifted in mathematics and graduated from the Indian Institute of Technology. He and Ryusui did not get along as children because Ryusui was always pestering him to do things together. He looks like he's about to run away the moment he sees Ryusui. He makes unique noises like "Pigyaaa!" when startled.

The actor playing Kohaku in Dr. STONE. Born in 2006. She was a gymnast before becoming an actor. She has a habit of starting her sentences with a sharp "Ha!" sound. She tends to handle everything with high speed. She cherishes Suika.