Mobile Suit Gundam: The Origin's official website has announced that the second of four OVA episodes will be released on October 31. Additional cast members were also announced and a new key visual was released (pictured right).

Cast
Ray Amuro: Toru Furuya (original)
Char Aznable: Toshihiko Seki (Mobile Suit Gundam Wing)
Mirai Yashima: Ayumi Fujimura (Mobile Suit Gundam Unicorn)

Staff
Episode Director: Nana Harada (Mobile Suit Gundam Wing)

The OVAs are based on the Mobile Suit Gundam: The Origin manga by Yoshikazu Yasuhiko. It was serialized by mecha magazine Gundam Ace from June 2001 to June 2014, and compiled into twenty-four volumes.

Yoshiyuki Tomino created the original Mobile Suit Gundam TV anime, which aired in April 1979 and completed at 43 episodes. Since then, the franchise has received several sequels and spin-offs, in various timelines and alternate worlds.

Mobile Suit Gundam: The Origin's first episode volume ranked second in anime Blu-ray sales for the first half of 2015, selling 61,253 copies.

Source: Official site