Mark is an established actor, writer, and producer for TV and film in both English and French. He has performed lead roles in award-winning feature films such as Rhymes for Young Ghouls, The Wild Hunt, and Le Cyclotron. In addition, he has also appeared in White House Down, Shake Hands with the Devil, The Sum of All Fears, Hochelaga, Head in the Clouds, Laura Cadieux, and L'Incomparable Mademoiselle "C". Some of his more notable TV appearances include: Titans, The Boys, Human Trafficking, The last Templar, Silent Night, Trauma, Omerta, Fortier, Complexe "G", Victor Lessard, and Beliveau.

At the 2011 Gemeaux awards, he has nominated for best host in a youth series for Zooville, after performing104 episodes over 2 seasons on SRC. He was also host of the internationally distributed outdoor adventure series Hooked with Mark Krupa.

In addition, Mark is an avid voice and Mocap actor, having performed in the Assassin's Creed, Deus Ex, and the Far Cry video game franchises.

As a producer and writer, his premiere feature film - The Wild Hunt - won Best First Canadian Feature Film at TIFF in 2009, and Best Narrative Film at Slamdance, 2010. As a director, his last short films, Blue Violin, In Faustian Fashion, and Exodus have appeared at the Fantasia film festival. He recently directed and co-produced You Arrive / Arriver a film about inter-generational trauma. He has three feature films (Twin Worlds, Vinland, Exodus) and a series (In The Cards) now in development.