Born in Drogheda, Ireland on September 24, 1979, and growing up in the nearby village of Laytown,[1] Adam is the son of a nurse and a recruitment specialist.

[2] After achieving an honours degree, [3] he then attended the Gaiety School of Acting, Dublin in 2003.

[2][3] Adam began appearing on the CW series Supernatural in its twelfth season as Mick Davies, a member of the British Men of Letters.

[6] His stage roles have included productions of Les Liaisons Dangereuses at the Gate Theatre, Dublin,[2] The Home Place, A Midsummer Night's Dream,[4] Great Expectations, Kilt and The Illusion.

[4] Adam married American actress Hayley Erin in 2020,[7] after announcing their relationship in 2019.