Dragon Ball Z: Bojack Unbound Japanese DVD cover art Directed by Yoshihiro Ueda Produced by Chiaki Imada (Executive Producer) Yoshio Anzai (Shueisha) Written by Takao Koyama Based on Dragon Ball by Akira Toriyama Starring See Cast Music by Shunsuke Kikuchi Distributed by Toei Company Release date July 10, 1993 (1993-07-10) Running time 50 minutes Country Japan Language Japanese Box office ¥2.05 billion (US$18.7 million)