Matt Mason
Johanna Mason
Rick Mason
Kaley Mason
Cassie Mason
Roberto Gianelli
Rajesh Vasquez
Noah Smith
Dr. M. Picciotto
Rodney Jackson
Aurora
May
Motorcycle Guy
Prepper Leader (as Eric Erickson)
Oliver
Female Prepper
Prepper Driver
Dead Guy on Stairwell
Eve Mason
Rodney Double
Background person
Earthquake Victim
Earthquake Victim (credit only)
Background Scientist
Dr. Troy (as a different name)