Kakyoin is a core ally in Stardust Crusaders and a Japanese student who was brainwashed by DIO during an earlier trip to Egypt and is sent to kill Jotaro Kujo. After being freed from DIO's influence, he decides to join Jotaro on his quest to Egypt to save Jotaro's mother and find redemption. Kakyoin is a Stand User and wields the long-ranged Hierophant Green. Kakyoin is a young man of average to above-average height and fit to slender build. His primary outfit is a proper green trench coat-length. His red hair is characterized by a large, twisting bang hanging to the side of his face.

Jotaro is a delinquent, but he has a gentle heart and is loyal to those he likes, who lives an ordinary life until the Joestar Family's old enemy, DIO, returns. Jotaro travels to Egypt in order to save his mother and stop the Vampire once and for all, wielding the incredibly powerful Star Platinum. Jotaro is a tall, attractive, and well-built man, even as a teenager. He has dark hair that constantly blends with his hat, black trench coat with a golden chain, green eyes and a star birthmark.

Polnareff is a core ally, with his most defining trait is his honor. In Stardust Crusaders, the Frenchman Polnareff travels with Jotaro and Joseph to avenge his sister, who was murdered by a man with two right hands. Polnareff is a Stand User and wields Silver Chariot. Polnareff is also the least serious member of the group, being extroverted. Polnareff is a man of above-average height and muscular build. With a receded hairline, he wears silvery hair in a tall flat top. He has no eyebrows. He also wears earrings in the shape of jaggedly halved (broken) hearts.

Avdol is a core ally in Stardust Crusaders. Introduced as an Egyptian friend of Joseph Joestar, he joins the group on their journey to defeat DIO, providing knowledge and guidance about enemy Stand Users and local cultures along the way. Avdol is a Stand User and wields the fire manipulating Stand, Magician's Red. Avdol is an Egyptian man of above-average height and medium to heavy build.

Joseph wields the psychic photographic Stand, Hermit Purple. He’s the deuteragonist of Part 3 and an ally. At age 67, Joseph retains most of his health and muscularity, though his face displays his age. His hair is short and gray, and he sports a thick, well-trimmed beard.