Mayumi Maruyama
The director of this film takes a journey to discover for herself how responsible she is for her father, Shuhei Maruyama's suicide. She confronts family members such as her mom and sister, as well as family friends that knew her father in hopes to better understand who he was as a person.
 
Kyoko Maruyama
Kyoko is Mayumi's mother. Left with no college degree, 74,000 dollars of gambling debt her husband left behind, no job experience, and two young children, Kyoko is left with baggage. Being resentful of her daughter making this documentary, she opens up to the camera against her traditional Japanese cultural ways to support her daughter. (Cultuural communication barriors are further perpetuated between Mayumi and her mother)
 
Megumi Maruyama
Being Mayumi's younger sister, Megumi grew up to be the complete opposite of Mayumi in a sense that she is more reserved, and closer to the Japanese culture. Mayumi and Megumi talk for the first time about their father's death.
 
Mohammad Beitvashahi
Mohammad has been Shuhei's best friend since college at Indiana Institute of Technology. With over 20 years of friendship, they talked frequently about good stories and bad stories, and gave each other advice on each other's problems.
 
Andrew Ricci
Shuhei's former co-worker at Johnson Control. They worked closely with each other on projects, and received frequent phone calls from him till the day before he passed away. Andrew has seen the change in Shuhei�s actions as he switched from job to job, and the character change he encountered.
 
Mariko Maruyama
Mayumi gives her a call for the first time since her father's funeral. The relationship between Mariko, Mayumi's grandmother and Mayumi had been silenced for 5 years since Shuhei's death. Rumor has it that she and her husband cut Mayumi's family off with a fee of 100,000 dollars because of the death of their son (gambling). Fear of getting rejected by her grandparents once again, most of her family friends and family blamed Shuhei's parents for his death, (cultural difference)
 
Taihei Maruyama
Taihei hasn't seen his brother for 20 years when he heard about his death. In fact, he didn't even stay for the funeral. Barely knowing her uncle, Mayumi makes an effort to search for what he is carrying behind closed doors.
 
Shohei Maruyama
Shohei is Mayumi's grandfather and the father Shuhei felt he could never empress. Shohei is not only the decision maker in his family, but also a successful man in the Japanese corporate world. Shohei never set foot in America to visit his granddaughter in the United States. Mayumi hasn't seen her grandfather since her father's funeral. Not understanding why the man her father looked up to would neglect her family, Mayumi explores the rumors about him.