Megan is a dedicated student from a wealthier background who joins the Irena Sendler Project at Uniontown High School. Her personal experiences with loss deepen her connection to the play, where she performs as one of the mothers.

Sabrina is the older student who joins the Irena Sendler Project to assist and mediate between the younger students. Her background in poverty and family illness gives her a personal connection to the project.

Mr. Conard, known as Mr. C., is a teacher at Uniontown High School who leads the Irena Sendler Project. He supports his students academically and personally, and later goes on to found an educational center.

A World War II-era social worker in Warsaw, Irena Sendler is renowned for rescuing more than 2,500 Jewish children from the Nazis. Her story, characterized by humility and activism, is the central focus of the project.

Irena Schultz was a social worker and the superior of Irena Sendler. She is known for her intimidating reputation before the war but shared Sendler's conscientious efforts to help impoverished families.

Jan headed the Social Welfare Department before the German occupation and covertly supported Irena Sendler's rescue efforts. Initially strict, he becomes an ally, assisting them discreetly.

Jaga worked with Jan Dobrzaczynski and played a crucial role in aiding the Irenas by providing logistical support like blank papers. Her house served as a safe haven, and she was integral to the network due to her connections.

Ewa was a former coworker at the Social Welfare Department who was dismissed due to her Jewish heritage. She was known for her positivity and selflessness, continuing to help others under dire circumstances.

Adam is Ewa's brother, known for his cynical and militant stance against German oppression. He joined the ZOB and later assisted Irena in smuggling children through the ghetto's sewer network.