A total of thirty five GTHL alumni have been named to the Under-17, Under-18, and World Junior Development Camp rosters. Camps are set to kick off in Calgary on July 22.
Under-17 Roster
Two goaltenders, seven defensemen, and ten forwards make up the 19 GTHL grads who were named to the 111 player roster. The Mississauga Rebels and Toronto Nationals each have four players represented, while the OHL Cup winning Mississauga Reps have three.
Click here for a full roster.
| Name | Hometown | Position | GTHL Team | OHL Affiliation |
| Ryan Dugas | Hamilton, ON | G | Mississauga Reps | Kingston Frontenacs |
| Christian Sbaraglia | Mississauga, ON | G | Vaughan Kings | Niagara IceDogs |
| Evan Brand | Toronto, ON | D | Mississauga Rebels | Kingston Frontenacs |
| Robert Calisti | Toronto, ON | D | Toronto Nationals | Sault Ste. Marie Greyhounds |
| Thomas Harley | Syracuse, NY | D | Vaughan Kings | Mississauga Steelheads |
| Xavier Henry | Toronto, ON | D | Toronto Titans | Hamilton Bulldogs |
| Duncan Penman | Oakville, ON | D | Mississauga Rebels | Saginaw Spirit |
| Nathan Staios | Oakville, ON | D | Vaughan Kings | Windsor Spitfires |
| Michael Vukojevic | Oakville, ON | D | Mississauga Rebels | Kitchener Rangers |
| Graeme Clarke | Ottawa, ON | F | Toronto Marlboros | Ottawa 67s |
| Brandon Coe | Ajax, ON | F | Toronto Nationals | North Bay Battalion |
| Ethan Keppen | Whitby, ON | F | Toronto Nationals | Flint Firebirds |
| Cody Morgan | Richmond Hill, ON | F | Toronto Jr. Canadiens | Kingston Frontenacs |
| Nicholas Porco | Sault Ste. Marie, ON | F | Vaughan Kings | Saginaw Spirit |
| Mason Primeau | Etobicoke, ON | F | Toronto Nationals | Guelph Storm |
| Jamieson Rees | Woodbridge, ON | F | Mississauga Reps | Sarnia Sting |
| Lucas Rowe | Etobicoke, ON | F | Mississauga Reps | London Knights |
| Philip Tomasino | Mississauga, ON | F | Mississauga Rebels | Niagara IceDogs |
| Nick Wong | Erin, ON | F | Mississauga Senators | Oshawa Generals |
Under-18 Roster
Eight GTHL grads will compete for a spot on Canada’s National Under-18 when camp kicks off in late July. The final roster will represent Canada at the 2017 Ivan Hlinka Memorial Cup.
Click here for a full roster.
| Name | Hometown | Position | GTHL Team | Junior Team |
| Alexis Gravel | St-Augustin-de-Desmaures, Que. | G | Mississauga Senators | Halifax Mooseheads (QMJHL) |
| Kevin Bahl | Mississauga, ON | D | Toronto Marlboros | Ottawa 67s (OHL) |
| Ryan Merkley | Mississauga, ON | D | Toronto Jr. Canadiens | Guelph Storm (OHL) |
| Riley Damiani | Mississauga, ON | F | Mississauga Rebels | Kitchener Rangers (OHL) |
| Liam Foudy | Scarborough, ON | F | Markham Majors | London Knights (OHL) |
| Jack McBain | Toronto, ON | F | Don Mills Flyers | Toronto Jr. Canadiens (OHJL) |
| Allan McShane | Collingwood, ON | F | Toronto Marlboros | Erie Otters (OHL) |
| Akil Thomas | Toronto, ON | F | Toronto Marlboros | Niagara IceDogs (OHL) |
| Barrett Hayton | Peterborough, ON | F | Toronto Red Wings | Soo Greyhounds (OHL) |
National Junior Team
After a disappointing shootout loss to the United States in the gold medal game, Team Canada will try to redeem themselves at the 2018 World Junior Championship in Buffalo, NY. Eight GTHL grads will vie for a spot on the roster.
Click here for a full roster.
| Name | Hometown | Position | GTHL Team | Junior Team | NHL Affiliation |
| Victor Mete | Woodbridge, ON | D | Toronto Jr. Canadiens | London Knights (OHL) | Montreal Canadiens |
| Jordan Kyrou | Toronto, ON | F | Mississauga Senators | Sarnia Sting (OHL) | St. Louis Blues |
| Adam Mascherin | Maple, ON | F | Vaughan Kings | Kitchener Rangers (OHL) | Florida Panthers |
| Michael McLeod | Mississauga, ON | F | Toronto Marlboros | Mississauga Steelheads (OHL) | New Jersey Devils |
| Cliff Pu | Richmond Hill, ON | F | Toronto Marlboros | London Knights (OHL) | Buffalo Sabres |
| Taylor Raddysh | Caldedon, ON | F | Toronto Marlboros | Erie Otters (OHL) | Tampa Bay Lightning |
| Givani Smith | Toronto, ON | F | Mississauga Senators | Guelph Storm (OHL) | Detroit Red Wings |
| Owen Tippett | Peterborough, ON | F | Toronto Red Wings | Mississauga Steelheads (OHL) | 2017 Draft Eligible |
