Marco was born to Italian immigrants in Vancouver, Canada. He always knew that he wanted to be a performer and performed all the way through high school, before getting a Bachelor of Fine Arts degree from the Simon Fraser University and a teaching degree. He landed his first television role with a part in the science fiction series Andromeda, before appearing in the Disney TV movie Ladies and the Champ.
Marco is best known for his roles in the science fiction series Fringe, the police drama series Rogue (his first recurring role), and the superhero series Arrow. He also appeared in the Hallmark TV movies Lucky In Love, Murder, She Baked: Just Desserts and Chronicle Mysteries: The Wrong Man and plays a small part in the horror spoof film Scary Movie 3. He also works as a voice actor, dubbing and providing original voices for countless of cartoon characters.
- Acts opposite fellow Once Upon a Time in Wonderland (and Once Upon a Time) actor Jason Burkart in the Hallmark TV movie Chronicle Mysteries: The Wrong Man.
|Once Upon a Time in Wonderland|
|"Down the Rabbit Hole":||"Trust Me":||"Forget Me Not":||"The Serpent":||"Heart of Stone":||"Who's Alice":||"Bad Blood":|
|"Home":||"Nothing to Fear":||"Dirty Little Secrets":||"Heart of the Matter":||"To Catch a Thief":||"And They Lived...":|