Sifteo topper David Merrill, Brightworks co-founder Gever Tulley and BBC Children’s Series producer Rupert Harris will headline Interactive Ontario’s upcoming INplay 2011 conference, organizers said Thursday.

Merril, president and co-founder of Sifteo, which combines traditional games with new techology, will address the future of kids games, including gaming on tiny Cube computers, while the BBC’s Harris is expected to talk about online applications for hit TV shows.

Also headed to Inplay is Warren Buckleitner, editor of the Children’s Technology Review, Russ McLeod, chief operations director for Me To We, and Julie Sun, senior director of digital marketing at Nickelodeon.

INplay will take place on May 17 and 18 in Toronto.