[2] Antonio is known for playing the lead character, Sacha Martinelli, in the television series Paradise Falls for Showcase and here!.

[3] On stage, he originated the title-role in ‘Botticelli In the Fire’ written by Governor General's Award winner Jordan Tannahill.

As a playwright, Antonio was named a finalist for the 2007 Governor General's Award for English drama, for his debut work In Gabriel's Kitchen.

The play was originally produced at Buddies in Bad Times Theatre in March 2006,[3] where it proved a box-office success.

In 2013, Antonio presented Truth/Dare: A Satire (With Dance), an interactive audience participation show which featured staged reenactments of scenes from Madonna's 1991 film Truth or Dare, at Buddies in Bad Times during Toronto's Pride Week.