| Jessica Biel | Cora Tannetti |
| Christopher Abbott | Mason Tannetti
(credit only) |
| Dohn Norwood | Dan Leroy
(credit only) |
| Abby Miller | Caitlin Sullivan
(credit only) |
| Bill Pullman | Harry Ambrose |
| Jacob Pitts | J.D. |
| Nadia Alexander | Adult Phoebe (19) |
| Eric Todd | Frankie Belmont |
| Enid Graham | Elizabeth Lacey |
| C.J. Wilson | William
(as CJ Wilson) |
| Danielle Burgess | Maddie |
| Gary Hilborn | Tod Richter |
| Mike Holt | Hollywood Wade |
| Rodrigo Lopresti | Gabe |
| Justin Silver | Vic |
| Monique Vukovic | Erica the Bartender |
| Jacqueline Honulik | Female Bar Patron
(uncredited) |
| Faith Logan | Woman at Bar
(uncredited) |
| Iphy Murphy | Schoolgirl
(uncredited) |
| Ashley North | Inmate
(uncredited) |
| Sebastian Wegner | Dancer
(uncredited) |