Current known and rumored cast:

Jeffrey Dean Morgan as Lt. Andrew Tanner

Will Yun Lee as Major Lo

Chris Hemsworth as Jed Eckert

Josh Hutcherson as Robert

Isabel Lucas as Erica

Connor Cruise as Daryl

Josh Peck as Matt Eckert

Adrianne Palicki as Toni

Brett Cullen as Tom Eckert

Michael Beach as Mayor Jenkins (rumored)

Edwin Hodge as Danny

Alyssa Diaz as Julie

Matt Gerald as Hodges (marine)

Rusty Mewha as Brian

Ken Choi as Smith (marine)

Byron Lawson as Smith (rumored)

Julian Alcaraz as Greg (rumored)

Mark Schlereth as Coach Donlen

Kelly Jennings as Erika's mother

Adam DeFilippi as Titan's Waterboy