- Country: Japan
- Genres: Action, Drama, Horror
- Release: 2005-11-05
- Director: Takao Nagaishi
- Writers: Toshiki Inoue , Shōtarō Ishinomori
- Language: Japanese
- Stars: Masaya Kikawada , Masaya Kikawada , Hassei Takano , Hassei Takano , Hassei Takano , Rena Komine , Hiroshi Miyauchi , Eiji Wentz , Ryoko Kobayashi , Mayumi Sada , Eiji Maruyama , Itsuji Itao
- Runtime: 91 min
- Awards: N/A
- AKA: 仮面ライダー THE FIRST (Japan) , Kamen Rider: The First (United Kingdom) , Kamen Rider: The First , Masked Rider: The First (United States of America) , Kamen Rider: The First (United States of America) , Kamen Raidâ: The First , Masked Rider: The First , Kamen Rider: The First (Thailand)
- Plot:
Takeshi Hongo is a man of extraordinary intellect, but his promising future is about to be maliciously snuffed out by and evil secret society known as Shocker. Reinvented against his will and transformed into a powerful experimental cyborg, Hongo will forever be known as Kamen Rider The First.
- IMDB:tt0471223
Kamen Rider: The First Cast · · · ALL
Takao Nagaishi
Director
Masaya Kikawada
Takeshi Hongo / Kamen Rider #1
Hassei Takano
Hayato Ichimonji / Kamen Rider #2
Rena Komine
Asuka Midorikawa
Hiroshi Miyauchi
Tobei Tachibana
Eiji Wentz
Haruhiko Mitamura
Ryoko Kobayashi
Miyoko Harada
Mayumi Sada
Shocker Staff: Lady
Hideyo Amamoto
Dr. Shinigami
Eiji Maruyama
Dr. Shinigami (voice)
Itsuji Itao
Spider
Kanji Tsuda
Bat
Hirotaro Honda
The Private Secretary
Hiroshi Kamiya