 Kristen StewartJean Seberg | Jean Seberg |
 Jack O'ConnellJack Solomon | Jack Solomon |
 Anthony MackieHakim Jamal | Hakim Jamal |
 Margaret QualleyLinette Solomon | Linette Solomon |
 Zazie BeetzDorothy Jamal | Dorothy Jamal |
 Yvan AttalRomain Gary | Romain Gary |
 Stephen RootWalt Breckman | Walt Breckman |
 Colm MeaneyFrank Ellroy | Frank Ellroy |
 Vince VaughnCarl Kowalski | Carl Kowalski |
 Jade PettyjohnJenny Kowalski | Jenny Kowalski |
 Grantham ColemanBobby Seale | Bobby Seale |
 James JordanSpecial Agent Maddow | Special Agent Maddow |
 Gabriel SkyDiego Gary | Diego Gary |
 Victoria BarabasAir Hostess | Air Hostess |
 Sean BolgerLAX Reporter 1 | LAX Reporter 1 |
| BBen KliewerLAX Reporter 2 | LAX Reporter 2 |
 Brian Michael JonesLAX Reporter 3 | LAX Reporter 3 |
 Celeste PechousBetsy Ellroy | Betsy Ellroy |
 Laura CampbellMary Kowalski | Mary Kowalski |
 Misha Gonz-CirklLA Seberg Maid | LA Seberg Maid |
 Robin ThomasInterviewer | Interviewer |
 Kurt CollinsPhone Hippie | Phone Hippie |
 Tobias TruvillionDewayne | Dewayne |
| NNoelle Danique LouieAlice Jamal | Alice Jamal |
| DDiane ChernanskyLisa Breckman | Lisa Breckman |
| JJohn Frederick ScottMaitre D' | Maitre D' |
| EEdmund WysonMexico First A.D. | Mexico First A.D. |
 Claude KnowltonFrench Reporter | French Reporter |
 Eric AlperinAntoine | Antoine |
 Ser'Darius BlainLouis Lewis (uncredited) | Louis Lewis (uncredited) |
