[6] In 2014, Foulkes joined the cast of the CBS remake TV series Hawaii Five-0 in the recurring role of Ellie Clayton, a lawyer, who is connected to Lieutenant Commander Steve McGarrett (Alex O'Loughlin) through his father.

[7][8][9] Foulkes has written and directed several short films including, Dumpy Goes to the Big Smoke (2012), Florence Has Left the Building (2015) starring Jacki Weaver, and Trespass (2015).

In 2012, Foulkes made her screenwriting and directorial debut with the short film Dumpy Goes to the Big Smoke, a fictional story about a chance encounter that could change a lonely woman's life.

[10][11][16][17][18][19][20][21] In 2013, she played the role of Sherry in the Australian anthology film The Turning, starring Cate Blanchett, based on a collection of short stories by Tim Winton.

[23] In 2009, Foulkes joined the cast of the long-running Australian TV series All Saints in the role of specialist rescue paramedic, Jo Mathieson, in the newly formed Medical Response Unit.

[24] In 2012, she played the role of Rebecca Bourke in the Australians TV series Devil's Dust, a true-life story about asbestos litigation against a big cement manufacturer James Hardie.

[26] In 2014, she joined the cast of the CBS TV series Hawaii Five-0 in the recurring role of Ellie Clayton, a lawyer, who is connected to Lieutenant Commander Steve McGarrett Alex O'Loughlin through his father.