The film divides Lily and Atlas across present-day performers and younger counterparts, allowing memories that appear as journals in the novel to become a parallel screen story.

Blake Lively at the 2026 Met Gala
Lily Bloom

Blake Lively biography on Wikipedia

A Boston florist whose relationship with Ryle forces her to reassess the violence she witnessed as a child.

Justin Baldoni at PaleyFest in 2015
Ryle Kincaid

Justin Baldoni biography on Wikipedia

A neurosurgeon, Allysa's brother and Lily's partner. Baldoni also directed the film.

Portrait of Brandon Sklenar
Atlas Corrigan

Brandon Sklenar biography on Wikipedia

Lily's first love, now a restaurateur, who recognizes the danger she is minimizing.

Jenny Slate at the 2026 Sundance Film Festival
Allysa

Jenny Slate biography on Wikipedia

Lily's employee and closest friend, as well as Ryle's sister.

Young Lily

Isabela Ferrer biography on Wikipedia

The teenage Lily whose home life and journals establish the story's first cycle of abuse.

Young Atlas

Alex Neustaedter biography on Wikipedia

The homeless teenager Lily secretly helps and eventually loves.

Photo credits

These are event portraits of the actors, not film stills. Images are displayed with a CSS crop; no image files were edited.

Wikimedia Commons did not have a confirmed freely reusable portrait for Isabela Ferrer or Alex Neustaedter when this page was reviewed, so their original typographic cards remain and link to Wikipedia.

Supporting cast

MarshallHasan Minhaj
Jenny BloomAmy Morton

The character map

Lily connects every timeline. Ryle is her present partner; Atlas is the witness from her past; Allysa is both Lily's chosen family and Ryle's sister. The younger cast makes Lily's memories visible without treating them as detached backstory.

Verification desk

Cast verified against Sony Pictures, the official Sony trailer and TIME's adaptation guide.