Roy will be coach Malcolm Cameron's right-hand man this season and combine his duties with a playing role on the team.
He has been joined in the squad by Mikko Vainonen, Dyson Stevenson and Cody Sol this week ahead of the new Elite League season starting with an all-Scottish clash with Fife Flyers at Braehead next month.
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Hide AdThe quartet follow the arrival of Canadian defenceman Brock Beukeboom and coach Cameron at the weekend.