The squad includes double World Cup winners Frans Malherbe, Damian Willemse and new signing from Montpellier, Cobus Reinach.
Junior Springbok U20 Championship-winning captain Riley Norton has been included despite being just 19 years of age. At the other end of the scale, Deon Fourie, who turns 39 in September, is also in the mix. The 2023 Rugby World Cup final hero will be starting in his 20th professional season.
The Stormers kick off their URC campaign when they host defending champions Leinster in Cape Town on 26 September.
Stormers squad
Forwards: Adre Smith, Alex Groves, Ali Vermaak, Andre-Hugo Venter, Ben-Jason Dixon, Connor Evans, Corne Weilbach, Deon Fourie, Divan Fuller, Evan Roos, Frans Malherbe, Gary Porter, JD Schickerling, JJ Kotze, Keke Morabe, Leon Lyons, Louw Nel, Lukhanyo Vokozela, Marcel Theunissen, Neethling Fouche, Ntuthuko Mchunu, Paul de Villiers, Riley Norton, Ruben van Heerden, Ruan Ackermann, Salmaan Moerat, Sazi Sandi, Scarra Ntubeni, Sti Sithole, Vernon Matongo, Zachary Porthen.
Backs: Asad Moos, Cobus Reinach, Courtnall Skosan, Damian Markus, Damian Willemse, Dan du Plessis, Dewaldt Duvenage, Imad Khan, JC Mars, Jared Africa, Jean-Luc du Plessis, Jonathan Roche, Jurie Mathee, Kyle Smith, Leolin Zas, Luke Burger, Ruhan Nel, Sacha Feinberg-Mngomezulu, Sako Makata, Seabelo Senatla, Stefan Ungerer, Suleiman Hartzenberg, Wandisile Simelane, Warrick Gelant.