| Darsteller | Rolle |
|---|---|
| Elizabeth Gillies | Gigi (20) |
| John Corbett | Josiah 'Flash' Bacon (20) |
| Denis Leary | Johnny Rock (20) |
| Elaine Hendrix | Ava (20) |
| Robert Kelly | Bam Bam (20) |
| John Ales | Rehab (20) |
| Mark Gessner | Noah (8) |
| Josh Pais | Ira Feinbaum (8) |
| Rebecca Naomi Jones | Davvy O (2) Davvy (5) |
| Campbell Scott | Campbell Scott (3) |
| Rob Morrow | JP |
| Kelly Bishop | Elizabeth |
| Arturo Castro | Pizza Guy |
| Eric Sheffer Stevens | Brook Lanley (3) |
| Callie Thorne | Cat (3) |
| Willie C. Carpenter | Uncle Ruck (2) |
| Nicholas Christopher | AJ (2) |
| Rodney Richardson | Spencer Sloan (2) |
| Griffin Dunne | Psychiatrist Music Therapist |
| Grace Woosley | Tenika (2) |
| Keith Buterbaugh | Jimmy (2) |
| Jessica Markowski | Peppy Girl #2 |
| Greg Dulli | Greg Dulli |
| Kate Hodge | Micki |
| Jack Leary | Manny |
| Alessandro Chillé | Bo |
| Samantha Able | Kari |
| Chekesha Johnson | Peppy Girl #4 |
| Kenny Bermudez | Dancer #3 |
| Joshua Johnson | Dancer #2 |
| Chris Jarosz | Dancer #1 |
| Omar Hernández | Big Burly Crew Guy |
| Mike Messner | Donal |
| Mary Spencer Knapp | Neve |
| Kelsey Griswold | Peppy Girl #3 |
| Olivia Macklin | Emma |
| David Milone | Musician |
| Athena Brensberger | Peppy Girl #1 |
| Christopher Poultney | Club Goer |
| Tara Westwood | Pam Stone |
| Arianna Silver | Restaurant Patron |
| Carol Todd | Adrienne |
| Heaven MacPherson | Glo 'n Go Announcer |
| Ryan Burton | Red Head Rocker Fan |
| Brighton Ring | VIP Backstage Guest |
| Faith Logan | Cabaret Patron |
| Rafael V. DeLeon | Muiscian in Doorway |
| Crystal Lonneberg | Cater Waiter |
| Ksyn Cason | Dancer |
| Peter Riegert | Ted |
| Roger Bart | Jeremy |
| Michael Cyril Creighton | Bobby Q |
| Nancy Ozelli | Seated Woman |
| Bryan Fisher | Jim |
| Brian Charles Johnson | Mike |
| Johnathan Fernandez | Guy Passing By |
| Carly Sullivan | Girl Passing By |
| Joshua Zirger | Waiter |
| Flaco Navaja | Amor |
| Elliott Brooks | Catering Chick |
| Violet Paley | Second Catering Chick |
| Evgeniya Radilova | Svenska |
| Alessia Sushko | Marta |
| Semar Ghebremichael | Dancer #1 |
| Samantha Zack | Dancer #2 |
| Morgan Marcell | Dancer #3 |
| Theo Ellis | Wardrobe Guy |
| Anna Eilinsfeld | Young Cat |
| Sainty Nelsen | Becky |
| Hayley Griffith | 19 Year-Old Daughter |
| Cathy Trien | Aging Rocker Mother |
| Dominik Tiefenthaler | Paparazzi |
| Joan Jett | Joan Jett |
| Matt Pinfield | Matt Pinfield |
| Hardy Winburn | Stagehand |
| Blaise Corrigan | Beefy Middle Aged Guy |
| David Grohl | Dave Grohl |
| Jane Kivnick | Waitress |
| Alice Lee | Colleen |
| Kaitlin McGee | Katy |
| Julian Mercer | Belgian Narrator |
| Jason Moody | David |
| Tommy Pope | Stills Photographer |
| Max Van Bel | House Announcer |