The Canadian Football League has also announced that The Sheepdogs will perform during the opening ceremonies and Serena Ryder will sing the national anthem.
Hedley has sold 800,000 albums and won two Juno Awards.
The CFL's championship game will be played Nov. 24 at Mosaic Stadium, home of the Saskatchewan Roughriders.
Justin Bieber, Carly Rae Jepsen, Marianas Trench, and Gordon Lightfoot performed at last year's Grey Cup halftime show in Toronto.
The Argonauts defeated the Calgary Stampeders 35-22 in the 100th Grey Cup last November at Rogers Centre.
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