Original sentence: Actress Reina Hazuki had to leave the show due to a neck injury; in her final few episodes (starting with episode 16), she remains inactive other than in their base of operation (usually at a computer) and is seen wearing a large scarf concealing her neck, which she barely moves.Ami Kawaii, who played Baara in Episode 10 is another sentai alumni.Daisuke Tsuchiya (Takuya) and Keisuke Tsuchiya (Shadow) are twin brothers.In many of the episode previews, action footage lacks any animated effects which were added to the final footage, thus showing unfinished shots of characters disappearing, being pulled away while sparks shoot out (later an animated "beam" was added to many of these scenes) and other areas of unfinished footage.In previous projects, Keisuke played Kazu/Kirin Ranger in Gosei Sentai Dairanger while his brother guest-starred as a clone of Kazu.Jiro Okamoto, Who was the suit actor for Black Beet was also in the same roll for the 4 Riders as well as Shin.Keiichi Wada who played as Ryo/Ryuu Ranger in Gosei Sentai Dairanger made a guest appearance as Kazuma Iwata/Night Biker.Like many Tokusatsu, B-Fighter had its share of alumni actors:.She played Lamie in Kyōryū Sentai Zyuranger.Shigeru Kanai later had experience in Super Sentai, he played Yuusaku Hayakawa/MegaSilver in 1997's Denji Sentai Megaranger.The two also worked as twin ninjas, Tarou & Jirou, in Ninja Sentai Kakuranger.Throughout the series it used some recycled music from Kamen Rider BLACK and Black RX with episodes 49-51 & 53 having music from ZO as well as recycled footage from RX in a few episodes, While the Movie featured Recycled music From RX, ZO and J