Dan has extensive training as an actor, martial artist and gymnast. He began his career playing Galeotto Schlafentus in the Canal Plus/Netflix TV series, Borgia produced by Tom Fontana and Barry Levinson. Dan then went on to play Handsome Jim in Ridley and Tony Scott's World Without End, the TV adaption of Ken Follet's novel, Sinbad for the BBC/Sky and many other television and film productions. Notably, he worked alongside Robert De Niro and Michelle Pfeiffer in the Luc Besson movie, The Family and also the remake of the classic movie, Papillon.

On television, Dan began to make more of an impact in regular roles in productions such as Legends for TNT and Fox 21 alongside Sean Bean and AD The Bible Continues for NBC and also Emerald City for NBC. More high profile productions followed including Universal's Extinction, and being part of the Intrigo Trilogy and the anticipated series for Amazon, Carnival Row and the up and coming Season 5 of Netflix's Van Helsing where Dan will be introduced to the series as a new vampire hunter, Roberto.

Further high quality productions followed and Dan was then cast to play the recurring role of "Willson", a US state trooper searching for clues to solves the crimes in the critically acclaimed, award winning series, True Detective: Night Country for HBO. Dan shared the screen opposite the Oscar winning actress Jodie Foster. After True Detective, Dan was then cast to work alongside two more Oscar winning actors, Russell Crowe and Rami Malek in the movie Nuremberg, due to be released in 2025. Dan plays Corporal Jones and appears throughout the movie.