On television, he portrayed Connor Walsh on the ABC legal thriller How to Get Away with Murder (2014–2020) and Frank Stringfellow on the PBS historical drama Mercy Street (2016–2017).

Jack Falahee was born on February 20, 1989, and raised in Ann Arbor, Michigan, the son of a speech pathologist mother and a neurosurgeon father.

[10] Also in that year, he had a recurring role of Charlie McBride on the ABC Family teen drama series, Twisted.

In September 2019, Falahee and childhood friend and DJ Elephante announced the launch of their music project, Diplomacy.

Falahee is Diplomacy's lead singer and has stated he writes most of their songs based on his personal journal entries.

On September 20, 2015, Falahee participated in the Nautica Malibu Triathlon and partnered with Disney to raise money for Los Angeles Children's Hospital's pediatric cancer research program.