From 2014 to 2017, Ablack starred in the web series Teenagers; he won an Indie Series Award for his performance in 2016. He is also known for his roles in the popular Netflix series Maid (2021) and Ginny & Georgia (2021–present), as well as other series such as Orphan Black (2013–2016), Shadowhunters (2016–2018), Narcos (2017), and Burden of Truth (2019).