1. Taylor Schilling
Whom she plays: Piper Chapman, a woman who gets sent to prison for once carrying drug money 10 years prior.
Where you know her from: Nurse Veronica Flanagan Callahan on Mercy, Beth in The Lucky One, Dagny Taggart in Atlas Shrugged: Part I.
Where you’ll see her next: She’s starring in Stay, based on the novel by Aislinn Hunter.
5. Kate Mulgrew
Whom she plays: Galina “Red” Reznikov, an inmate who also serves as the prison chef.
Where you know her from: Captain Kathryn Janeway on Star Trek: Voyager, Mary Ryan on Ryan’s Hope, Kove on NTSF:SD:SUV::.
Where you’ll see her next: As Edith Morse Robb in 1920s period piece Drawing Home.
9. Natasha Lyonne
Whom she plays: Nicky Nichols, a recovering addict in prison.
Where you know her from: Jessica in the American Pie series, Vivian Abromowitz in Slums of Beverly Hills, Megan Bloomfield in But I’m a Cheerleader.
Where you’ll see her next: As Yael in the thriller 7A and Gloria in The Quitter.
14. Maria Dizzia
Whom she plays: Polly Harper, Piper’s best friend.
Where you know her from: Katie in Martha Marcy May Marlene, Woman Subletter in Lola Versus, Delores on Louie.
Where you’ll see her next: As Allison McColl in Captain Phillips, based on a true story, and Mary Jane Longo in True Story, also based on a true story, naturally.
17. Catherine Curtin
Whom she plays: Wanda Bell, a prison corrections officer.
Where you know her from: Fran on Guiding Light, Betty on The Naked Brothers Band, Leigh-Anne Black in Extremely Loud and Incredibly Close.
Where you’ll see her next: As an FBI agent in Martin Scorsese’s The Wolf of Wall Street.
20. Elizabeth Rodriguez
Whom she plays: Aleida Diaz, Daya’s mother and fellow inmate.
Where you know her from: Gina Calabrese in Miami Vice, Carmen Morales on All My Children, Detective Carolina Rivera on Prime Suspect.
Where you’ll see her next: As Rita Sierra in Glass Chin, and she’s featured in crime drama Animal Rescue.
21. Taryn Manning
Whom she plays: Tiffany “Pennsyltucky” Doggett, an inmate who tries to preach to and heal other inmates.
Where you know her from: Mimi in Crossroads, Nola in Hustle & Flow, Mary Ann McGarrett on Hawaii Five-0.
Where you’ll see her next: As Patricia Rose in A Winter Rose, Leslie in Heaven’s Rain, and Kamila in Man Without a Head, among other projects.