Marcellus is a child actor and a member of ACTRA, The Alliance of Canadian Cinema, Television and Radio Artists. He had appeared in the first season of "Blues Clues & You!" in 2020, as the "Video Letter Kid" for "Josh Gets the Sniffles" - "Rainy Day Skidoo with Josh & Blue!" and also did a sing and dance for "Bluestock". Marcellus also appeared in CBC Kids' "Today's Thing: Blocks" in 2019, as Tony Kim's little co-host in the segment. Marcellus Matteus S. de Castro was born on June 22nd, 2013 in Toronto, Canada and was raised in Mississauga, Ontario. His family calls him "Matty". He is a natural born Canadian with Filipino Asian descent. Show less «