She is known for her roles in television, such as The Resident, Edgemont, Melrose Place, Cult, and Gotham, and in the films The Covenant, Cloverfield and the 2013 Evil Dead.

In 2007, she joined the cast of CSI: Crime Scene Investigation playing the recurring character of Ronnie Lake.

[16][17] Lucas was part of the main cast of the NBC sitcom Friends with Benefits, which aired during the summer of 2011 before being cancelled.

[18][19][20] In 2011, she played Haley in Big Mommas: Like Father, Like Son,[21] where she showcased her singing talents as well as her acting skills.

[26][27] In 2019, Lucas played the starring role of Kate Jameson in the Canadian crime drama television series The Murders which aired on Citytv.

[28][29] In late 2020, she was cast in the regular role of Billie in the fourth season of the Fox medical drama television series The Resident.