Thought I'd bump this one with an update on players who have been part of the Sharks at various times (lower grades, juniors, etc.). I'm sure I have missed plenty, but this is a good start.
Anyone who played NRL this season (e.g. Kelly, Scott, JAC, Lane, Peachey, Frizell, Isaako) or well known players (e.g. Leutele, Prior) I have left off the list.
Players in bold have NRL contracts.
QRL
Isaac Lumelume (Brisbane Tigers / Melbourne)
Josh Cleeland & Keenan Yorston (Ipswich)
Luke Jurd & Harrison Muller (Tweed)
Pat Politoni & Sami Sauiluma (Burleigh)
Manaia Cherrington & Harrison Smith (Redcliffe)
Luke Polselli, Dane Hogan & Todd Murphy (Sunshine Coast)
Cameron King (Townsville)
NSWRL
Jaeman Salmon, Jayden Tanner & Vito Tevaga (Panthers)
James Roumanos, Rhys Davies & Declan Casey (Mounties/Bulldogs)
Dylan Smith & Damon Smith (Manly/Blacktown)
Josh Carr (Dragons)
Brock Ilett, Tom Caughlan (Newtown)
Kurt Dillon (Parra)
Penani Manumalealii, Ryan King, James Russell, Mason McCarthy, Jackson Stewart & Kai Broadhurst (Glebe / Cronulla-Caringbah)
Chris Tupou & Zane Elsey (Wenty)
Lorenzo Mulitalo (Hills Bulls)
Eddie Faalua (Cabramatta)
Dontoray Lui, Callum Perryman & Epeli Sukanaivalu (Dragons)
Kitione Kautoga (Wests Tigers)
Romano Cook (Souths)
Sidney Noppen (Roosters)
Other
Nu Brown (Featherstone Rovers)
Adam Cuthbertson (York City Knights)
Jordan Drew (Limoux Grizzlies, France)
Jangala Bennet (Rugby Union)
Tony Gigot (Toulouse Olympique)