Holly Ryan
Kevin Ryan
Winston Mills
Brock Winters / The Mayor
Charlie
Jimmy (as Sean Gloria)
Bob Ryan
Abby Ryan
Sandy Pierce
Mikey
Digger
Sidney Simms
Dolphin Trainer
Luke Lawson
Sidney's Friend
Detective Wyatt
Summer Sands
Bernie the Dolphin
Chuck the Frog
Izzy the Bearded Dragon
Bernie Supporter on Beach (uncredited)
Elizabeth Mills (uncredited)
Runner on Beach (uncredited)