A record-breaking third baseman for the New York Giants, originally from Wisconsin, who becomes an unlikely mentor and father figure to Joey after learning about his struggles with local bullies.

A talented torch singer who marries Charlie Banks and plays a supportive role in Joey's life by involving him in her musical performances.

Joey’s mother, portrayed as a witty and decent person, raising Joey alongside her sister after her husband leaves her.

Joey’s affectionate and devoted aunt, who lives with him and his mother, and recognizes the importance of Charlie Banks in Joey's life.

Joey’s childhood psychologist who becomes a supportive figure for Joey as he negotiates his feelings about his neighborhood bully.

The rabbi overseeing Joey’s bar mitzvah who eventually finds common ground with Charlie Banks despite their differing backgrounds.

Joey’s absent father, whose departure leads to Joey’s relocation and contributes to the strengthened bond between Joey and Charlie Banks.

Charlie's Japanese-American neighbor and friend, who faces challenges due to racial discrimination and eventually becomes a civil rights lawyer.

The first baseman for the New York Giants who is Charlie’s best friend and later becomes a Philosophy professor.

Joey’s classmate and love interest, who he eventually marries and with whom he starts a family.