A Friend of the Family

Colin Hanks plays Bob Broberg, a central figure in the storyline as Jan Broberg's father.

Anna Paquin takes on the role of Mary Ann Broberg, Jan Broberg's mother, who is involved in the dramatic events.

Jake Lacy portrays Robert 'B' Berchtold, who is at the heart of the show's central conflict.

Lio Tipton is Gail Berchtold, connected to Robert 'B' Berchtold and part of the unfolding story.

Mckenna Grace plays Jan Broberg Felt, depicting her at a later stage in the narrative.

Hendrix Yancey portrays young Jan Broberg, focusing on her life during the victimization.

Austin Stowell acts as FBI Agent Pete Welsh, involved in the investigation of the case.

Mila Harris plays young Karen Broberg, one of Jan Broberg's siblings.

Elle Lisic takes on the role of young Susan Broberg, another sibling of Jan Broberg.

Wyatt Parker is Jasper Berchtold, part of the Berchtold family.

Ava Grace Roberts plays Nicole Paulsen in the series.