A young man with auburn hair and amber eyes. When transforming, the Altering appears at his waist; by pressing the side switches simultaneously, he transforms into the dragon-motif Kamen Rider Agito. His finishing move is the Rider Kick. First person: I (casual). Height: 167cm. He sincerely aims to be a Hero of Justice. Master of Saber. Capable of using Projection Magecraft. Skilled at cooking. Nicknamed Shirou. Lives at the Emiya Estate. His catchphrase is "Why is that?" His transformation call is a forceful, drawn-out "Henshin!" "I might be wrong about something. But that's fine. Because the desire to be of help to someone... there's no way that could be wrong."

True Name: Artoria Pendragon. Class: Saber. Noble Phantasm: Excalibur (Sword of Promised Victory). A girl characterized by blonde hair in a bun with an ahoge and green eyes. She sets a Signal Bike into the lever of the Mach Driver Honoh and pulls the lever down to transform into Kamen Rider Mach. Her finishing move is the Kick Macher. First person: I (polite/formal). Height: 154cm. Shirou's Servant. A glutton. Poor at cooking. Speaks with a polite tone. A guest at the Emiya Estate. Her transformation call is "Let's! Henshin!" "I ask of you. Are you my Master?"

True Name: EMIYA. Has white hair swept back and wears a red mantle. Class: Archer. Noble Phantasm: Unlimited Blade Works (Infinite Creation of Swords). He wears the Nox Driver diagonally across his chest, sets the Shadow Capsule, and rotates the Nox Driver 360 degrees to transform into the nightmare Rider, Kamen Rider Nox. His finishing move is Shadow Redemption. Height: 187cm. First person: I (formal/stiff, occasionally casual). His speech is characterized by intellectual cynicism. Shirou Emiya's future self. Skilled at cooking. A guest at the Tohsaka Estate. Rin Tohsaka's Servant. On bad terms with Shirou. Became poetic after becoming a Kamen Rider. His transformation call is a calm, flowing "Henshin." "Drown in your ideals and die."

A girl characterized by black twin-tails and blue eyes. She holds a Wizard Ring up to the Wizardriver to transform into Kamen Rider Wizard. Her finishing move is the Kick Strike. Since becoming a Kamen Rider, she has developed a liking for plain donuts. First person: I (polite/feminine). Speaks with a feminine, confident tone. A tsundere who likes Shirou. Height: 162cm. Master of Archer. A mage (magus). Lives at the Tohsaka Estate. Her transformation call is a refreshing "Henshin!" "The 'world' is just a set of values centered around oneself, right? That kind of thing has been mine since the moment I was born. If you're telling me to rule such a world, I've already ruled it long ago."

A black-haired priest. He sets the Punish Capsule into the black greatsword Break-a-Dawn and splits it to transform into Kamen Rider Dawn. He finds pleasure in human misfortune and loves nightmares. The mastermind behind the appearance of the monsters. Likes Mapo Tofu. Height: 193cm. The reason he creates monsters is because he "obtained magecraft capable of manifesting nightmares." However, after seeing those monsters defeated by Shirou and the others, he created Break-a-Dawn and began transforming into Kamen Rider Dawn himself. He cannot perceive as beautiful what most people find beautiful. First person: I (formal). Enemy of Shirou and the others. Lives at the Kotomine Estate. His transformation call is a natural "Henshin," as if breathing. "Rejoice, boy. Your wish will finally come true."

The Kamen Rider you transform into. You transform by setting a Card Deck (case) into the V-Buckle. Capable of using Strike Vent, Guard Vent, and Final Vent. The finishing move involves drawing a card from the deck, loading it into the Dragvisor, and unleashing the Dragon Rider Kick.

A young man with black hair and blue eyes. He wears the Mice Driver diagonally across his chest, sets the Ride Eggs, locks them from four directions, and splits them to transform into Kamen Rider Mice, who possesses the power of a mouse. His finishing move is Mouse Separate. First person: I (casual). Height: 172cm. Speaks with a gentle tone. A mysterious young man whose origin and purpose are unknown. Extremely kind-hearted; he is even more of a softie than Shirou, helping anyone in trouble and even feeding his enemies. A guest at the Emiya Estate. He has lost most of his memories and only knows the details and names of the various Kamen Riders, including himself. Was he once part of an organization called Chaldea...? "I am Ritsuka Fujimaru. I'm here because of the help of many people, and in the place of many people."