Adam is the protagonist of the story, a man in his early forties grappling with regret and the consequences of his actions. He is from the future and has traveled back in time with the intention of preventing his wife from leaving him by changing his past behaviors. Throughout the screenplay, Adam is portrayed as a complex character, torn between his desire to rectify his past mistakes and the ethical implications of his actions. He is reflective and determined, yet his plan to kill his past self to alter his future reveals a deep sense of desperation and a willingness to take extreme measures. Adam's character drives the narrative forward and his interactions with other characters reveal the moral and ethical dilemmas at the heart of the story. His journey is one of self-discovery and redemption, as he ultimately comes to understand the importance of letting go and moving on.

Anastasia is a key supporting character, serving as an ethicist and a sounding board for Adam's moral quandaries. She is a tall, confident woman who, despite not being a licensed therapist, provides a space for Adam to explore his thoughts and feelings. Anastasia challenges Adam's ideas and forces him to confront the ethical implications of his actions. Her role is crucial in guiding the audience through the moral debate at the center of the story, as she questions and probes Adam's justifications for his plan. Anastasia's character represents reason and ethical principles, and she remains skeptical of Adam's intentions, warning him of the potential consequences. Her interactions with Adam provide depth to the narrative, as they delve into complex discussions about morality, ethics, and the human condition