SPECULATIONS at Marylebone Theatre: Stylish Staging, Flat Script
A Night at the Marylebone Theatre
Those of us who live around Marylebone have watched our neighbourhood’s cultural life grow over the past few years, and the Marylebone Theatre has become one of its most talked-about additions. I went along to press night for SPECULATIONS, Torben Betts’s play about the unexplained deaths of several American icons, directed by Trevor Nunn. The evening opened with a sympathetic laugh from the audience at one of Janie Dee’s lines, which set the tone for a production that is more polished than it is probing. The theatre itself is an easy place to spend an evening. Its intimate auditorium keeps you close to the action, and the foyer buzzes with the kind of chatter you hear on Marylebone High Street on a good weekend. The running time is two hours and twenty minutes including the interval, so plan for a late dinner rather than a quick pint before curtain up. If you are weighing up whether it’s worth a booking, the short answer is yes for the staging, though the storyline may leave you wanting more.
Design, Cast and Where the Play Falls Short
The strongest thing about SPECULATIONS is the look of it. Lee Newby’s set is elegantly realised, and the periodic revolves that move between three separate scenes give the evening a cinematic rhythm. Newby also designed the costumes, which are sharp and period-aware without tipping into costume-drama fussiness. Janie Dee brings warmth and bite to her role as a journalist whose investigation draws unwanted attention, and Gloria Obianyo gives the childminder character a quiet presence that anchors the early scenes. Natalie Dunne’s portrayal of Marilyn Monroe is full of energy, even if it sometimes feels more performed than felt. Where the production struggles is on the page. Much of the dialogue leans on familiar theories and rehashed suppositions, and too many lines rely on the actors to manufacture tension that the writing has not earned. Viewers who already know the material well may find few surprises. Still, the cast works hard, and the production is never less than competently assembled. It is a play that looks far better than it reads, which is a fair summary of many evenings at the theatre.
Making a Night of It in Central London
For residents and visitors alike, a trip to see SPECULATIONS is an easy way to add a night out to a wider day in the capital. Marylebone is well connected by Underground and bus, and the area’s cafes and restaurants make it simple to arrange dinner before or after the show. If you are visiting from further afield, consider building in a little sightseeing. A walk through Regent’s Park is a short distance away and makes a lovely gentle start to an evening, while a day trip into the centre could take you past Whitehall, Big Ben and the Houses of Parliament. Those landmarks are among the most photographed in London and sit within easy reach of the West End’s theatre district. If you are a museum or exhibition fan, there are plenty of options nearby to fill a weekend afternoon. Check the Marylebone Theatre’s website for current performance times, ticket prices and any offers, as dates can change and popular evenings sell out quickly. The production is booked until 17 January 2027, so there is time to plan around your own schedule.
Source: Review: SPECULATIONS at Marylebone Theatre
If you plan to visit London theatre this season, SPECULATIONS at the Marylebone Theatre is worth seeing for its striking design, even if the script falls a little short.
Located a short walk from the grand avenues around Buckingham Palace, the Marylebone Theatre offers audiences a refined, intimate setting for its contemporary productions.

