Thomas Rivers is an ancestor of Caleb Rivers and the original Caleb's father. He was portrayed by Lyle Brocato.
Thomas Rivers was first introduced in Scared to Death when the five discovered his body along with Esther Collins in the basement of the old Savings & Loan building. In Revival, Thomas Rivers makes an appearance in the flashback scene where he is seen disagreeing with Esther about signing the pact to save any residents who went to war, in exchange for the deaths of five random teens. He was one of the town's men who the signed the pact in 1917.