Gold Coast Titans full-back Matt Russell is one of six uncapped players included in Scotland's World Cup squad.
Widnes prop Ben Kavanagh has been added to Scotland's provisional World Cup squad.
Two NRL-based members of Scotland's provisional World Cup squad have withdrawn through injury.
Scotland will play a 2013 World Cup warm-up match against Papua New Guinea in Featherstone on Saturday, October 19.
Scotland coach Steve McCormack has confirmed that Danny Brough is in his World Cup plans, and could captain the side.
Dave Rotheram will be in charge of Scotland for the European Cup after head coach Steve McCormack was given leave for personal reasons.
Workington's Derwent Park will host Scotland's group games in the 2013 World Cup.
The 2013 World Cup organisers have been forced to abandon plans to stage two fixtures in Whitehaven.