Sarah Simmons is Bobby Simmons’s wife and the person who reports his disappearance after he leaves during an argument. She tells the investigators that Bobby wanted to blow off steam and drove away, suggesting he may have gone drinking or fishing. Her report initiates the investigation and connects her directly to Bobby’s fate.
Amy is Brian's girlfriend and is visiting the Armada Hotel with him when the earthquake causes the skyscraper to collapse. She survives with Brian and Reese, and the two try to find a way out while staying together. Amy is diabetic, a concern for Brian; she is also pregnant, though he does not know it.
Holly is identified by David’s wife as one of the women with whom he had an affair. When questioned about the murder, Holly insists that she loved David and would never hurt him. Her connection to David makes her relevant to the investigation, but the account does not establish her guilt or innocence.
Gia is a widow whose husband died in tragic circumstances five years earlier. On the anniversary of his death, she returns to the Florida Keys to relive a happy memory of scuba diving with him. Her presence at the drop zone brings her into the area where the cartel’s recovery operation is underway, as sharks complicate events.
Lorraine Gardner is a former associate of the Unexplained Research Society who investigates the mysterious worldwide sounds by tracking their frequencies. She meets Valerie Paz in a secluded field, warns that the city may be unsafe, and later uses a radio to study stronger signals from higher ground, helping the survivors seek meaning in the crisis.
Lisa is Alan's former schoolmate, whom he meets again at the Corner bar after returning to Lake Havasu. She remembers the tragedy involving Danny and later joins Alan and others in trying to stop the shark, including preparing for the dangerous hunt before the tournament.
Emily is one of the people affected by the renewed attacks at the hotel. She disappears and is later found dead, making her fate direct evidence of the danger facing the guests. Her death deepens the investigation that Daniel and Detective Stone pursue as they try to understand the recurring cycle.
Steffie is connected to Zoey as one of the girl’s parents. Her death, following Lucas’s death by suicide, leaves Zoey without either parent and increases Jack’s responsibility for the child. The loss also contributes to the family’s grief as Jack attempts to give Zoey a stable home.
Angela Cole has 21 screen credits in a career dating back to 2017. Signature works include The Hunting, Great White Waters, A Roommate to Die For. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
