Production has begun on Freddi, which has been created and written by Sasha Alexander, who takes the lead role. Mark Staheli is
Brydon, known for his roles as Uncle Bryn in Gavin & Stacey and the hapless Keith Barret in Marion & Geoff, was script editor and will take a small role.
Producer and director is Alex Kavallierou and Brydon's partner in Arbie, Miles Ross. Brydon told Broadcast: “We shot a teaser and I thought it was great. My contribution was to suggest that we just observe the strong, beautifully drawn characters in a classic narrative arc.”
Brydon revealed he is also exploring different subjects to follow up his BBC4 documentary Rob Brydon's Identity Crisis.
In the one-off special, Brydon explored his Welsh identity and attempted to discover what, in his view, made his patriotic countrymen so defensive.
“It's just a case of finding the right subject,” he said.
Talkback Thames owns a stake in Arbie, which has already been commissioned to make a BBC3 pilot called Lifespam.