Lawson has since appeared in several American television series, including The Deep End, Covert Affairs, and Don't Trust the B---- in Apartment 23.

[1] He has said he was "kicked out" of drama school at the University of Southern Queensland before graduating from the National Institute of Dramatic Art (NIDA).

[6] In August 2012, he landed a recurring role in the ABC sitcom Don't Trust the B---- in Apartment 23 as Benjamin, a love interest for main character Chloe (Krysten Ritter).

[3] In July 2017, Lawson was cast as MI6 agent Damien Rennett on the second season of the ABC political drama, Designated Survivor.

[12] During the 2020 Australian bushfires, Lawson wrote a poem titled To My Country, and a video of him reading it went viral on social media.

[1][3] In January 2021, the poem was turned into a book of the same name with illustrations by Bruce Whatley and proceeds from sales going to the Port Macquarie Koala Hospital.