I break betting odds news as it happens, so you’re never left behind when the market moves or a top offer lands.
- Paul Bettany leads the market at 1/2 to play Lord Voldemort in HBO’s Harry Potter reboot
- Cillian Murphy ruled himself out despite strong early links to the role
- Open casting approach sees both male and female actors feature prominently in betting
Casting Speculation Builds for Iconic Villain Role
Betting sites are already buzzing with speculation over one of television’s most anticipated casting decisions, as HBO continues development of its upcoming Harry Potter series.
With production moving forward, attention has turned to the role of Lord Voldemort, one of the most iconic villains in modern fiction, and who could step into the shoes previously filled by Ralph Fiennes.
Reports towards the end of 2025 suggested HBO executives were auditioning both men and women for the role, signalling a potentially bold and modern reinterpretation of the Dark Lord.
That approach has been reflected in the betting market, with a diverse shortlist of high-profile names now priced up.
Entertainment Betting Sites: Best Bookmakers Compared on Reality TV, Entertainment and Novelty Bets
Next Voldemort Odds
| Next Voldemort Actor | Odds* | Implied Probability |
|---|---|---|
| Paul Bettany | 1/2 | 66.67% |
| Alexander Skarsgård | 6/4 | 40.00% |
| Cynthia Erivo | 2/1 | 33.33% |
| Tilda Swinton | 4/1 | 20.00% |
| Richard E. Grant | 4/1 | 20.00% |
| Willem Dafoe | 4/1 | 20.00% |
| Kristin Scott Thomas | 5/1 | 16.67% |
*As betting sites currently aren't taking bets on this event, odds have been compiled as theoretical probability from an entertainment perspective only and come from an industry expert
Paul Bettany has emerged as the clear favourite, with his distinctive voice and commanding screen presence making him a strong candidate for the role.
Murphy Out as Market Shifts
Earlier speculation heavily linked Cillian Murphy with the role, with many fans touting him as an ideal fit for Voldemort’s cold and calculated persona.
However, those rumours have now been firmly put to bed after Murphy confirmed in a recent interview that he will not be involved in the project.
That announcement has triggered a shift in the market, allowing Bettany to take a commanding lead while elevating several alternative contenders.
Meanwhile, Cynthia Erivo’s inclusion at 2/1 highlights HBO’s reported willingness to explore a more unconventional casting route.
Big Names Offer Depth and Value
Beyond the front three in the betting, several respected and experienced actors remain firmly in contention.
Tilda Swinton (4/1) stands out as a particularly intriguing option, known for her transformative performances and ability to bring an otherworldly quality to complex characters.
Richard E. Grant and Willem Dafoe, both priced at 4/1, offer proven pedigree in villainous or eccentric roles, while Kristin Scott Thomas at 5/1 represents a more outside pick but still aligns with the broader casting direction.
What the expert says...
What to Expect from HBO’s Harry Potter Series
The upcoming HBO adaptation is expected to offer a more detailed retelling of the original books, with each season focusing on a single instalment in the series.
That extended format could allow for deeper character development, particularly for key figures like Voldemort, making casting decisions even more critical.
With fan expectations high and scrutiny intense, HBO’s final choice will likely aim to balance familiarity with a fresh interpretation, a challenge reflected in the wide-open betting market.
