Elenco - O Sinal: Frequência do Medo
Brenton Thwaites
Nic Eastman
Olivia Cooke
Haley Peterson
Beau Knapp
Jonah Breck
Laurence Fishburne
Dr. Wallace Damon
Robert Longstreet
James
Lin Shaye
Mirabelle
Jeffrey Grover
Gas Station Clerk
Patrick Davidson
Boy Playing Claw GameRoy Kenny
Hazmat 1Timothy Holmes
Hazmat 2Ricardo Campos
Hazmat 3Drew Sykes
Hazmat 4