Mason started her career as Mercedes Masöhn on television called the Guyattwith a minor one-episode role in the daytime
soap opera One Life to Live in 2005; she returned to the series for two episodes in 2006 as the character Neery. From 2008 to 2011, Mason had various one-episode appearances in series such as
NCIS,
CSI: NY and
Castle. She had her main role debut in film as Jenny in
Quarantine 2: Terminal, the 2011
found footage horror movie sequel to
Quarantine. Prior to that, she appeared in minor roles in
The Break-Up (2006) and
Red Sands (2009). In 2011, she also starred in the
drama film
Three Veils. Throughout the following years, Mason played minor or supporting roles in various movies. In 2012, Mason was one of two lead actresses in
The Finder during its lone season. She played
Deputy U.S. Marshal Isabel Zambada, the
romantic interest of
title character Walter Sherman (
Geoff Stults). Both she and
Maddie Hasson filled the void left by the departure of
Saffron Burrows, the female lead in the series'
backdoor pilot which was the 19th episode of Season 6 of
Bones. She also co-starred on the ABC supernatural drama series
666 Park Avenue in 2012, which was canceled midway through its season. In the spring of 2014, Mason debuted her role of DEA Special Agent Talia Del Campo on the
CBS series
NCIS: Los Angeles, appearing in seven episodes from 2014 to 2022. In August 2015, she debuted in her role as
Ofelia Salazar, on the
Walking Dead companion series
Fear the Walking Dead. In 2018, she played Captain Zoe Andersen in the first season of the
ABC series
The Rookie. ==Personal life==