Harry Calder (played by George Segal) is a protagonist in Rollercoaster.
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. Agent Hoyt (played by Richard Widmark) appears in Rollercoaster.
An FBI agent who collaborates with Calder on the bomber case. He oversees the ransom delivery operation, warns of park threats, and coordinates field agents to locate and disarm bombs. His decision to mark the ransom money inadvertently escalates the situation, leading to increased risks and a final standoff where his team attempts to jam the detonator signal.
Rollercoaster (1977) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Harry Calder
(played by George Segal) — protagonist
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...
Agent Hoyt
(played by Richard Widmark) — supporting
An FBI agent who collaborates with Calder on the bomber case. He oversees the ransom delivery operation, warns of park threats, and coordinates field agents to locate and disarm bombs. His decision to...
Key Relationships
Harry Calder → Agent Hoyt
(Professional Supervisor)
Story Analysis
A safety inspector and FBI agent race against a relentless bomber targeting amusement park rides across America.
