Dr. Nick Harris (played by Thorsten Kaye) is a protagonist in Shark Attack 2.
Marine biologist leading the hunt against mutated sharks threatening Cape Town. Samantha Peterson (played by Nikita Ager) appears in Shark Attack 2.
Shark attack survivor who teams up with Nick to stop the shark threat. Roy Bishop (played by Dan Metcalfe) appears in Shark Attack 2.
Arrogant Australian shark hunter who joins the fight against the mutated sharks. Amy Peterson (played by Caroline Bruins) appears in Shark Attack 2.
Samantha's sister who is killed by a shark, triggering the main conflict. Morton (played by Warrick Grier) appears in Shark Attack 2.
Researcher who uncovers genetic experiments behind the aggressive pregnant sharks. Mark Miller (played by Morné Visser) appears in Shark Attack 2.
Crew member and Tom's brother who dies during the shark attack at the beach. Tom Miller (played by Alstair Cloete) appears in Shark Attack 2.
Crew member and Mark's brother who survives the shark attacks.