Limitless - Season 1 - Eps 20: Hi, My Name Is Rebecca Harris
When Rebecca learns the truth about her father's death, she takes NZT for the first time and uses it to seek justice for his murder. Also, Sands makes a dangerous move against Brian to ensure the success of his new initiative.
About Limitless

Title: Limitless
First Air Date: 2015-09-22
Last Air Date: 2016-04-26
Status: Canceled
Rating: 7.316/10 (from 863 votes)
Language: EN
Seasons: 1
Total Episodes: 22
Network: CBS
Genres: Sci-Fi & Fantasy, Drama, Action & Adventure, Comedy
Production Companies: K/O Paper Products, Relativity Media, CBS Studios, Action This Day!
Synopsis
Brian Finch's life takes an extraordinary turn when he uses NZT-48, a neuroenhancing drug whose mystery and chaos lead him to working for the FBI and a senator who is not what he seems.
Cast

Jake McDorman
Brian Finch

Jennifer Carpenter
Rebecca Harris

Desmond Harrington
Casey Rooks

Mary Elizabeth Mastrantonio
Nasreen "Naz" Pouran

Bradley Cooper
Edward Morra

Hill Harper
Spellman Boyle

Ron Rifkin
Dennis Finch

Blair Brown
Marie Finch

Tom Degnan
Ike

Michael James Shaw
Mike