In the first Left 4 Dead, you can play as either of these four characters.

In the first Left 4 Dead game, the four playable characters are Francis, Bill, Zoey, and Louis. The reason for this selection is that each character represents a different personality and background, enhancing the cooperative gameplay experience. Francis, a tough biker, brings the rough and rebellious attitude to the group. Bill, an experienced Vietnam War veteran, adds leadership and survival skills. Zoey, a young college student, introduces a fresh perspective and determination. Lastly, Louis, an office worker, brings an average person's perspective and highlights the vulnerability and fear in the face of the zombie apocalypse. This diverse group of characters allows players to identify and connect with different personas, making the game more engaging and immersive.