A safety inspector who investigates a sabotaged roller coaster derailment and tracks a bomber's extortion demands. He coordinates with the FBI, deduces the next attack target, and participates in the final confrontation at the Revolution ride, where the bomber is killed. He serves as the film's primary protagonist and investigative anchor.
FBI agent directs Calder's actions during the ransom drop.
Explore the full interactive character relationship map of Rollercoaster