Matt McColm

Ken Conway

Annabel Schofield

Marisa

Ron Perlman

Dr. Ramsey Krago

Carol Alt

Agent Monica McBride

Morgan Brittany

Sloane Matthews

Shauna O'Brien

Clint Howard

Hutch

John Rhys-Davies

Rasheed

Michael Paul Chan

Dr. Anthony Mane

Gary Kasper

Billy

Jack Gill

Dr. Stanley Erhardt

Terrence Stone

Myles Vale

Bonnie Paul

Receptionist

Mike Justus

Security Guard

Danny Epper

Laboratory Guard

Kane Hodder

Guard Falling Down Stairs (uncredited)