Donald Gray was born Eldred Tidbury in 1914 at Tidburys Toll, South Africa.
The Four Feathers
Peter Burroughs
Captain Scarlet vs. The Mysterons
Colonel White / Captain Black / The Mysterons (voice)
I Thank a Fool
Polly's Husband (uncredited)
Saturday Island
William Peck
Out of the Shadow
Inspector Wills
Father Brown, Detective
Don (as Eldred Tidbury) (uncredited)
Burnt Evidence
Jimmy Thompson
Revenge of the Mysterons from Mars
Captain White / Captain Black / The Mysterons (voice)
Timeslip
Robert Maitland
Here Is My Heart
Young Yacht Guest (uncredited)
Around the World in 80 Days
Extra (uncredited)
The Quatermass Xperiment
TV Program Announcer (uncredited)
Satellite in the Sky
Captain Ross
Supersonic Saucer
Headmaster
Flight from Vienna
Col. George Gordon
This Is Supermarionation
The Mysterons / Colonel White / Captain Black (voice)