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.

London Conspiracy

Doctor Who: Spearhead from Space

Doctor Who: The Green Death

Survivors

Doctor Who

The Avengers

The Persuaders!

Dad's Army

Theatre 625

Z-Cars

Budgie

Seven of One

The Onedin Line

Sir Henry at Rawlinson End

The Battle of Billy's Pond

Worzel Gummidge

Doomwatch

Under Milk Wood

Horace

Suspense

Then Churchill Said to Me

Sky West and Crooked

Dixon of Dock Green

The Black Goddess

Come Play with Me

No Hiding Place

Edna: The Inebriate Woman

Nothing to Pay

The Man in the Iron Mask