Parker Stevenson

as John Alden

Mehgan Heaney-Grier

as Alyssa Meade

Billy Rieck

as Billy Domino

Shelli Lether

as Lt. Cmdr. Stephanie Chase

Krista Allen

as Dr. Katherine 'K' Harrison

Matt Battaglia

as Pete Trudeau

Lewis Smith

as Commander Frank Stein

Samantha Smith

as Dr. Hannah Nygaard

Rosa Blasi

as Carolina Marquez

Sherman Augustus

as Captain Matthew Norris

Leigh Hetherington

as Jilly

Merlin de Martinis

as Rusty Potter

Jeff Campbell

as Institute Officer

Louie Rivera

as Leader