After studying at University of California, Berkeley for his undergraduate degree,[3] Dalton received a Master of Fine Arts from the Yale School of Drama in 2011.

[7] Dalton's other television credits include Blue Bloods, Army Wives, and National Geographic Channel's Killing Lincoln, a Tony and Ridley Scott Production.

[8] On May 16, 2014, Dalton was cast in indie drama film Lost in Florence as Eric Lombard, a heartbroken former college football star who gets in over his head with a dangerous Florentine sport and alluring local woman, alongside Stana Katic and Emily Atack.

[12] In 2021, Dalton was cast in a recurring role in NBC drama series Chicago Fire as Interim Lieutenant Jason Pelham.

[13] Starting in 2022, Dalton provided the voice of The Witness in The Witch Queen (2022), Lightfall (2023), and The Final Shape (2024), 3 major expansions for Bungie 's 2017 first person shooter Destiny 2.