Billy W. Blackwell
— Detective Mike Stone
Ari Lehman
— The Circuit Maker
Katie Stewart
— Nancy
Frank Santoroski
— Detective Tony Fusco
Michael S. Shouse
— Stanley Conklin / The Sea-Monster
Jason Crowe
— Eric
Kayla Perkins
— Madison
Jim O'Rear
— Detective John Darby
John Dugan
— Captain of the Guard
Daniel Emery Taylor
— Professor Roberts
Melissa Wolf
— Trish