The People Behind the Bipedal Silhouettes
When you watch Teletubbies, you see four colorful rounded figures bouncing around Teletubbyland, but the voices and movements came from real actors working inside heavy foam costumes under hot studio lights. The show ran from 1997 to 2001 on the BBC, and the original cast that shaped those characters was surprisingly small in number but dense in production complexity. Getting the voices right was only half the challenge. The other half was making these physically awkward suit actors actually move in a way that looked organic for a preschool audience. The four main Teletubbies were voiced and performed by Bob Pease as Tinky Winky, John Simmit as Dipsy, Becky Ward as Laa-Laa, and Sophie Aldred as Po. The voices were recorded separately from the on-set performance. Bob Pease had the deepest baritone, which made sense because Tinky Winky is the tallest Teletubby. Sophie Aldred was already known from Doctor Who before she took on Po, the smallest and youngest-sounding of the four. The narration was handled by Paul Cawley, whose flat, matter-of-fact delivery over the whole thing became the show's auditory signature. Then there were the supporting performers. Michael Fenton-Stevens played the Noo-noo vacuum cleaner character with a distinctive wheezing voice. Richard McCabe handled the Big Baby, bringing a gruff but gentle tone to that oversized infant figure. The Sun Baby, that giggling child that appears whenever the mechanical sun returns, was played by a rotating cast of toddlers including various BBC children's department regulars like Gemma-Louise Davies and others whose names didn't always carry over into official credits. You'll find different spellings depending on which source you check, so don't waste energy arguing about it online.
The on-set physical performers were a separate group from the voice actors. The suit performers had to handle choreography that involved coordinated bouncing, waving those long arms, and interacting with the real-world props in the set. That meant dealing with limited peripheral vision inside the heads, constant overheating, and having to time their movements with the pre-recorded audio tracks playing through hidden earpieces. I spent a chunk of time researching this for a friend's documentary project and tracked down interviews where several of the suit performers described their first day. The consensus was pretty much: the costume is heavier than it looks, the heat builds up within twenty minutes, and you can't wipe your face at all. One thing most people don't realize about the production is how much the performers had to rely on counting beats and following lighting cues rather than actually seeing each other clearly. The Tinky Winky and Dipsy suits in particular had small mesh panels for vision, but the Laa-Laa and Po heads were tighter. A couple of the suit performers I spoke with mentioned miscounting a bounce sequence during a live taping and nearly colliding with the Noo-noo prop. The workaround on set was simple: they'd do multiple rehearsals with stand-ins wearing similar-colored clothes, and then they'd slow the pacing down slightly during actual recording. It wasn't perfect, but it kept the accidents rare enough that nobody complained too loudly about it afterward. The casting choices themselves reveal something interesting about how the producers approached this. They deliberately picked voice actors with strong theatre backgrounds rather than sitcom or dubbing specialists. The reason is practical. Those performances had to carry emotional nuance while the actor was also managing physical exhaustion inside a restrictive costume. Bob Pease came from a stage background, and Sophie Aldred had years of radio drama experience. This showed in the vocal work, which had more texture than a lot of children's programming from that same period.
There's also the matter of the international adaptations. The UK cast handled the original British versions, but several countries produced their own dubs. The French version had a completely different voice team, and the German cast included performers like Wolfgang Pampel for Tinky Winky. Some fans get caught up in debates about which dub is better, but from a production standpoint they're just localizations of the same source material. The physical sets, the animatronics, the props — all of that stayed consistent regardless of which language the voices were recorded in. If you're looking to dig deeper into the crew behind the characters, the BBC archives have some production reels that show the voice recording sessions. The suit performers are sometimes harder to track down by name since their credits were less prominent, but several have given interviews to fan publications over the years. A few names surface regularly: Paul Kiley worked on the physical performance side, and a handful of other performers rotated through the ensemble during the later seasons when the show started adding more elaborate set pieces. The production expanded noticeably after the first year, which meant more people were needed on set, but the core four voice actors stayed the same throughout the original run. What stands out after going through all this is how much the entire operation depended on synchronizing two completely separate layers of performance. The voice comes one way, the body movement comes another, and the edit has to glue them together so a preschool viewer never notices the seam. It works because the people doing it were competent, not because it was particularly easy. Most of the cast moved on to other projects after the show wrapped, and a few passed away in the years since. Bob Pease died in 2014, and the community around the show has kept his contributions in circulation through tribute posts and archival footage shares.
Get the Full Details

The original Teletubbies website from the late nineties still exists in various archived forms and lists the main cast in its credits section. YouTube holds the full episodes, which is where most people encounter the show now. If you watch closely, you can notice the slight lag between the lip movements and the audio in a few scenes — that's the separate voice recording process leaving a mark. It doesn't break the illusion for kids, which is the point. For adults paying attention, it's just another data point about how this particular show was built.