Gatien was born in Kamloops, British Columbia, Canada. She is of half German descent on her dad's side. She began performing at the age of four. She trained for a number of years in dance and musical theater. She was discovered at a model/talent convention and had a number of opportunities in Asia. In 2009, Gatien played Mia Dearden in two episodes of Smallville. Her other television credits include Supernatural, Bionic Woman, Eureka, The Guard, and roles in the films In the Land of Women and Dr. Dolittle: Tail to the Chief. In 2010, Gatien was cast as CJ Ward in the Cartoon Network live-action series Tower Prep. She was cast in The CW's 2012 pilot The Selection based on books written by Kiera Cass; however, the pilot was not picked up to series. In 2015 Gatien played the starring role of Jamie in the 1980s horror homage film Lost After Dark.
Love & Where to Find It
(Lena)
The Engagement Back-Up
(Luna)
The Obsession
(Erika Matthews)
In the Land of Women
(Tiffany)
Fifty Shades of Grey
(Young Woman at Bar)
Sorority Murder
(Natalie Swanson)
Perfect Match
(Lucy)
Diary of a Wimpy Kid: Dog Days
(Madison)
Love on the Sidelines
(Ava Holland)
Ms. Matched
(Annie)
Dr. Dolittle: Tail to the Chief
(Courtney Sterling)
Moonlight in Vermont
(Haley)
Deeper: The Retribution of Beth
(Sam)
Secret Millionaire
(Candice)
Lost After Dark
(Jamie)
Dying to Be You
(Lily Anderson)
Restless Virgins
(Heather)
iZombie
(Corinne)
Signed, Sealed, Delivered
(Vanessa Dougherty)
Eureka
(Megan)
UnREAL
(Rita)
The Guard
(Megan)
Tower Prep
(CJ Ward)
Supernatural
(Kristen)
Supernatural
(Jenny Plum)
Ghost Wars
(Maggie Rennie)
The Murders
(Daria Nichols)
Smallville
(Mia Dearden / Speedy)
R. L. Stine's The Haunting Hour
(Stella)
Spooksville
(Kelsey)
The Tomorrow People
(Sophie Coburn)
Colony
(Meadow)