Music: Kohei Tanaka
Recording: Eijiro Kamide, 川西隆
Sound Effects: Oizumi Onei
Music Selection: Takashi Ishikawa
Theme Songs
Opening Theme: 'Choshinsei Flashman'
Lyricist: Kazunori Sonobe
Composer: Yukihide Takekawa
Arranger: Keiichi Oku
Vocals: Taku Kitahara
Ending Theme: 'Fighting Pose, Flashman' (Episode 1~49)
Lyricist: Kouhei Oikawa
Composer: Yukihide Takekawa
Arranger: Keiichi Oku
Vocals: Taku Kitahara
Insert Songs
'Kagayake! Flash King' (Episode 3~7, 9~11, 12, 14, 20, 22, 24, 28, 30)
Lyricist: Saburo Yatsude
Composer/Arranger: Kohei Tanaka
Vocals: Takayuki Miyauchi
'Heart wa Hibana sa, Flashman' (Episode 3, 4, 6, 11, 22, 29, 35)
Lyricist: Kazunori Sonobe
Composer/Arranger: Kohei Tanaka
Vocals: Taku Kitahara, Koorogi '73, SHINES
'Body Action, Dance ja Nai wa yo' (Episode 5)
Lyricist: Kayoko Fuyumori
Composer: Yukihide Takekawa
Arranger: Kohei Tanaka
Vocals: Sara (Yoko Nakamura)
'Action, No.1' (Episode 26)
Lyricist: Kouhei Oikawa
Composer/Arranger: Kohei Tanaka
Vocals: Koorogi '73, SHINES, Takayuki Miyauchi
'Beat wo Awasete Ima Sugu ni' (Episode 32)
Lyricist: Kayoko Fuyumori
Composer/Arranger: Kohei Tanaka
Vocals: Takayuki Miyauchi, Koorogi '73, SHINES
'Boku wa Mag' (Episode 32, intro only)
Composer/Arranger: Kohei Tanaka
'Flashman no Chikai' (Episode 30, instrumental only)
Composer: Yukihide Takekawa
Arranger: Takanori Arisawa