John Talfryn Thomas (31 October 1922 – 4 November 1982) was a Welsh character actor, best known for supporting roles on television in the 1970s, including those of Private Cheeseman in Dad's Army (1973–1974) and Tom Price in Survivors (1975), while Thomas also appeared with Jon Pertwee in two Doctor Who serials.
Doctor Who: Spearhead from Space
As Mullins
London Conspiracy
As Poacher
Sky West and Crooked
As Brand
Come Play with Me
As Nosegay
Edna: The Inebriate Woman
As Tramp
Horace
As Dick
The Battle of Billy's Pond
As Mr. Pugh
Sir Henry at Rawlinson End
As Teddy Tidy
Nothing to Pay
As Walt
Under Milk Wood
As Mr Pugh
Doctor Who: The Green Death
As Dave
The Black Goddess
As Colliery Official
A Walk in the Dark
As Taxi Driver
Seven of One
Dad's Army
As Private Cheeseman
Softly, Softly
Z-Cars
The Avengers
As Fiery Frederick
The Persuaders!
As The Poacher
Survivors
As Tom Price
The Ronnie Barker Playhouse
Dixon of Dock Green
As Hospital Porter
Doomwatch
As Mr. Hetherington
No Hiding Place
Quick Before They Catch Us
Suspense
Menace
Then Churchill Said to Me
Brett
Doctor Who
As Mullins
The Onedin Line
As Thomas
Worzel Gummidge
As Soggy Boggart
Budgie
As Customer