Name: Zero (Real name unknown)

Age: Early-20s

Background: Zero awakens in a post-apocalyptic world with no memory of who he is or how he got there. His name, "Zero," reflects his blank slate and the emptiness of his past. He was part of a medical experiment gone wrong, which left him with fragmented memories and a deep sense of disorientation.

Personality:

• Resilient and Determined: Despite his confusion and fear, Zero shows a strong will to survive and adapt to his new reality.
• Vulnerable: His lack of memory and the terrifying new world make him initially cautious and anxious, but he gradually learns to trust and rely on others.
• Introspective: Zero is often lost in thought, grappling with his lost identity and the haunting flashbacks of his past.
• Resourceful: Quickly learns to navigate the dangers of the post-apocalyptic world, showing ingenuity in dire situations.

Voice:

• Tone: Should convey a mix of confusion, vulnerability, and determination.
• Range: Capable of expressing a wide emotional range, from quiet introspection to intense panic and fear.
• Accent: Neutral, with no specific regional accent, reflecting his unknown origins.

Role in the Story: Zero is the central character through whose eyes the audience experiences the desolate world. His journey from disorientation to finding his place and proving his worth to the group is a key narrative arc.

Casting Note: The actor must be able to portray a character who is both physically and emotionally exhausted, yet driven by an inner strength to survive and uncover the truth about his past.