Chyler Leigh

Leigh was born in Charlotte, North Carolina, on April 10, 1982, to Yvonne Norton and Robert Potts. She was raised in Virginia Beach, Virginia, where her parents ran a weight-loss business. The business went bankrupt when she was eight and her parents' marriage ended when she was 12; she, her mother, and her older brother – former actor Christopher Khayman Lee – then moved to Miami, where her mother remarried her first husband. Leigh was estranged from her father for many years following her parents' divorce, but they have since reconciled.

Leigh was in eighth grade when she started modelling. She soon began acting by appearing in local television commercials and a syndicated teen news show, Hall Pass. In 1999, Leigh and her mother relocated to Los Angeles so she could develop her acting career. At 16, she took and passed the California High School Proficiency Exam.Leigh started acting at an early age and debuted in the film world at age 15 in 1997's Kickboxing Academy. She started hosting in local TV shows and modeling; in 2001, Leigh nabbed the lead role in the box-office success Not Another Teen Movie as Janey Briggs opposite Chris Evans. She also appeared with the cast in Marilyn Manson's music video "Tainted Love", a song which appeared in the film. She was ranked #65 on the Maxim Hot 100 Women of 2002. In 2002, Leigh was cast in two short-lived TV series: Girls Club, in which she played lawyer Sarah Mickle, and That '80s Show, in which she played punk rocker June Tuesday. She then became a series regular on the ABC legal drama The Practice, but was let go at the end of the season due to budget cuts. Following that, she joined the cast of Reunion in September 2005.

In ABC's medical drama Grey's Anatomy, Leigh first appeared as a woman in Joe's bar who was noticed by Derek Shepherd during the final two episodes of the third season, and her character is later revealed to be Lexie Grey, the younger half-sister of the titular character. Leigh was made an official series regular for season four and remained so until the eighth-season finale, as Leigh chose to depart from the show after five years to spend more time with her family.

Leigh also makes music with her husband Nathan West (East of Eli), under the name "WestLeigh". They have performed covers and originals songs. In 2015, for their thirteenth anniversary they wrote "Love Lit The Sky". On Valentine's Day 2017, they released the single "Nowhere". Leigh has taken part in several of her husband's tours.

On June 18, 2017, a single "Spirit of Samba" by Laurent Voulzy was released featuring Leigh, Nina Miranda, Luisa Maita and Eloisia; in France it reached the 99th position on the Syndicat National de l'Édition Phonographique (SNEP) chart.

From 2015 to 2021, Leigh starred in the CBS/CW DC Comics television series Supergirl as Alex Danvers, the elder adoptive sister of the titular character and a scientist and government agent at the DEO. She would reprise the role on Arrow, The Flash, and Legends of Tomorrow during crossover events Crisis on Earth-X, Crisis on Infinite Earths, and "Armageddon". She made her directorial debut with the season six episode "Prom Again!".

In April 2021, Leigh returned to Grey's Anatomy for the episode "Breathe".

Since 2023 Leigh has co-starred in the Hallmark Channel series The Way Home with Andie McDowell.