The character of Adam Klaus in the popular British mystery series Jonathan Creek changed because the actor portraying him was replaced early in the show's run.
Initially, the role of the flamboyant magician Adam Klaus was played by Anthony Head in the very first episode of Jonathan Creek. While there was an intention for Head's character to be a regular presence, he did not appear again for the remainder of the first series.
For the second series and all subsequent appearances of Adam Klaus, the role was taken over by Stuart Milligan. The primary reason for this casting alteration was Anthony Head's commitment to another significant television project: his role as Rupert Giles in the American fantasy series Buffy the Vampire Slayer, which began in 1997. This scheduling conflict made it unfeasible for him to continue with Jonathan Creek.
The table below summarizes the casting change for Adam Klaus:
| Actor | Portrayed Adam Klaus in... | Reason for Change |
|---|---|---|
| Anthony Head | Episode 1 (Series 1) | Commitment to Buffy the Vampire Slayer |
| Stuart Milligan | Series 2 onwards | Replaced Anthony Head |
This change in actors for a prominent supporting character is a common occurrence in television production, often due to scheduling conflicts or other professional commitments of the actors involved. In this case, Stuart Milligan successfully embodied the character of Adam Klaus for the majority of the show's run, becoming the more recognized face for the role among fans.
