Throughout the series, Rendell appeared in flashbacks as viewers found out more of his past.
Therefore, if the series were to return for a second season it is not clear whether Heck would reprise his role.
So far, Netflix has not announced whether the show will be returning for another outing.
However, executive producer Carlton Cuse has revealed how they are already writing season two.
Speaking to GameSpot, they said: “We’re writing Season two, even though it hasn’t been greenlit. We’re working in a room.”
Locke & Key is available to watch on Netflix now.
source: express.co.uk