Orphan Black - Season 1 - Eps 1: Natural Selection
Sarah, a streetwise hustler on the run from a lifetime of bad decisions, witnesses the suicide of a stranger who looks just like her. Sarah assumes her identity, hoping that cleaning out the dead woman’s bank account will solve all of her problems. Instead, the street smart chameleon is thrust headlong into a kaleidoscopic mystery. After taking on the new identity, Sarah quickly finds herself caught in the middle of a deadly conspiracy and must race to find answers.
About Orphan Black

Title: Orphan Black
First Air Date: 2013-03-30
Last Air Date: 2017-08-12
Status: Ended
Rating: 7.804/10 (from 1283 votes)
Language: EN
Seasons: 6
Total Episodes: 50
Network: Space BBC America
Genres: Drama, Sci-Fi & Fantasy
Production Companies: Bell Media, Temple Street Productions, BBC America
Synopsis
A streetwise hustler is pulled into a compelling conspiracy after witnessing the suicide of a girl who looks just like her.
Cast

Tatiana Maslany
Sarah / Cosima / Alison / Helena / Rachel

Jordan Gavaris
Felix 'Fee' Dawkins

Josh Vokey
Scott Smith

Maria Doyle Kennedy
Siobhan 'Mrs. S' Sadler

Ari Millen
Mark / Rudy / Miller / Ira

Kevin Hanchard
Detective Arthur 'Art' Bell

Kristian Bruun
Donald 'Donnie' Hendrix