David played the part of the bike messenger in the movie Civil Wars.
When David was 17, he was in a horrible car crash. Lucky to survive, he decided to turn his life around and enrolled in college.
He has two daughters and one son.
After a disappointing start in university he switched over to economics and accounting for his second year, before dropping out to pursue acting.
His first year at university he studied biomedical engineering.
He moved to Los Angeles in 1985.
His daughter's name is Ariana Grace.
His first big role that he won was on the TV show Wiseguy.
He first started acting in commercials.
It took him 14 months to receive his screen actors guild card.
He likes fishing, basketball, golf, and cooking.
His mother was the one that suggested he take acting classes.
He would only return for the second season of Due South if he and Paul Gross had equal weight on the show.
He proposed to his wife on Valentine's day, 1991.
He received two Gemini nominations for his role as Ray Vecchio.
His favorite movie is Sleepless in Seattle.
He turned down the part of Ray Vecchio three times, before finally agreeing to do it.
His names origin is from Hebrew and it means "Beloved of God."
He has guest starred in at least 10 of cbs's long running shows.
He has been a detective on at least 3 different shows.
David has appeared in 2 different versions of CSI; CSI and CSI: NY, as totally different characters.
David Marciano was so busy at the time of Due South he was unable to return to the show until the final episode.
He appeared as Ray in more episodes of Due South then the second Ray, Callum Keith Rennie.
David: (On his troubled childhood) I was hanging around on street corners, drinking, gambling, playing cards, going to the racetrack, shooting pool, all those kind of things.