Eckels is a wealthy hunting enthusiast participating in a Time Safari expedition to the prehistoric era to hunt a Tyrannosaurus Rex. He initially presents himself as confident and tries to use his financial status to manage situations, but he struggles to suppress his underlying physiological anxiety about the dangerous journey ahead. He values the recent democratic election results, seeing his time travel trip as an exotic vacation rather than a fragile scientific endeavor.

Travis serves as the safari leader for Time Safari. He approaches time travel with extreme seriousness and strictly enforces the rules of the expedition, warning hunters of the catastrophic potential consequences of altering the past. He remains calm and authoritative in the face of danger, functioning as a strict disciplinarian for the hunting party.

Lesperance works as Travis’s assistant at Time Safari. His primary responsibility involves traveling back in time prior to expeditions to scout and track animals whose natural deaths are imminent, ensuring the hunters only target creatures that will not affect the timeline. He approaches his duties with a calmer demeanor than his strict superior.

Deutscher is a political figure who recently lost the United States presidential election to Keith. He represents an authoritarian, dictatorial approach to government, described by citizens as a militaristic and anti-intellectual figure. His political presence causes significant anxiety among the populace, driving some to consider escaping into the past rather than living under his potential rule.

Keith is the newly elected president of the United States. He represents democratic stability and reason, standing in sharp contrast to his dictatorial opponent. Citizens view his recent electoral victory as a narrow escape from a dangerous political path for the country.

The Official works at the front desk of Time Safari, handling client transactions and explaining the risks of the journey. He shares his clients' political relief regarding the recent election and uses blunt honesty about past fatalities to ensure customers understand the danger of time travel.

Billings is one of the other hunters who has paid to travel back in time on the Time Safari expedition. He accompanies the main group into the prehistoric jungle wearing the required sterile gear.

Kramer is another paying customer on the Time Safari expedition. He joins the hunting party on the anti-gravity path to hunt the Tyrannosaurus Rex in the distant past.