The official weigh-in ceremony for DREAM 12 took place earlier today and all fighters competing in tomorrow's event successfully made weight on their first attempt, except Won Sik Park.

DREAM 12 will take place early Sunday morning, Oct. 25, at the Osaka Castle Hall in Osaka, Japan, and will air live in North America at 2:00 a.m. ET on HDNet. For those who miss the live airing, the replay will air at 10:30 p.m. ET on Friday, Oct. 30, on HDNet.

Dream 12 will be the promotion's first-ever event held inside a cage, which is dubbed the "The White Cage."

The event is headlined by a heavyweight bout between Strikeforce heavyweight champion Alistair Overeem and EliteXC veteran James Thompson. Thompson came in at a robust 277.2 lbs, while Overeem tipped the scales at 253 pounds.

In the co-main event, Bellator lightweight champ Eddie Alvarez faces DEEP lightweight champion Katsunori Kikuno. Alvarez weighed-in at 153.6 lbs. and Kikuno came in at 154 lbs.

Also making weight was Team Quest's Tarec Saffiedine, who was a last minute replacement for Paulo Filho, and will face fellow middleweight Dong Sik Yoon.

One minor incident of note, Won Sik Park missed weight by 2.2 lbs. on his first attempt for his lightweight bout against Kuniyoshi Hironaka. However, he hit the mark on his second attempt.

Below are the official weigh-in results for DREAM 12:

Alistair Overeem (115.0 kg/253.0 lbs.) vs. James Thompson (126.0 kg/277.2 lbs.)

Eddie Alvarez (69.8 kg/153.6 lbs.) vs. Katsunori Kikuno (70.0 kg/154.0 lbs.)

Marius Zaromskis (76.0 kg/ 167.2 lbs.) vs. Myeon Ho Bae (75.8 kg/166.8 lbs.)

Zelg Galesic (85.0 kg/ 187 lbs.) vs. Kazushi Sakuraba (84.0 kg/184.8 lbs.)

Tokimitsu Ishizawa (83.3 kg/183.3 lbs.) vs. Katsuyori Shibata (83.3 kg/183.3 lbs.)

Tarec Saffiedine (83.0 kg/ 182.6 lbs.) vs.  Dong Sik Yoon (84.0 kg/184.8 lbs.)

Chase Beebe (63.0 kg/138.6 lbs.) vs. Yoshiro Maeda (62.8 kg/138.2 lbs.)

Kuniyoshi Hironaka (70.0 kg/154.0 lbs.) vs. Won Sik Park (70.0 kg/154.0 lbs.)

Keisuke Fujiwara (62.8 kg/138.2 lbs.) vs. Tomoya Miyashita (63.0 kg/138.6 lbs.)