Special Guest Stars Gil Birmingham as Sheriff Bishop Guest Stars David Cubitt as Ted Pownall Sarah Jane Redmond as Elaine Pownall Patrick Gallagher as Dr. Abbott Brian Anthony Wilson as Captain Sean McClure Toby Levins as Donnie Price Ntare Guma Mbaho Mwine as Professor Aldon Decker Co Starring Curtis Lum as Calvin David Kaye as Jerry Chad Rook as Chris Mueller Andrew Jenkins as Doug Pownall Anthony Harrison as Admiral Harrison Georgia Bradner as College Girl Naiah Cummins as Teacher Stewart Iguidez as Photographer Jaedon Siewert as Narrator Brian Lui as Guy #1 Preston Drabble as Toddler Makena Kristjanson as Kid #2 Claire Margaret Corlett as Sister Thomas Glukler as Young Charles Jacqueline Burrows as Girl at Marine Center Megan Hui as Nurse Devina Briggs as Young Mermaid Malcolm Craig as Kid #1 Natalie Farrow as Girl #1 Jason Asuncion as Anthony Latonya Williams as Friend