Several years before making this film, Ken Ochiai volunteered as a PA on Day of Independence (2003), which was directed by Chris Tashima, who plays Masamichi. That short film was also about the Japanese American World War II internment.
Chris Tashima and Sab Shimono both starred in Americanese (2006). Shimono also had a cameo in Day of Independence (2003) which was directed by Tashima.