What movie and television projects has Denton Blane Everett been in?

Denton De Gray has: Played Technician in "Quatermass II" in 1955. Played Scar in "Chevron Hall of Stars" in 1956. Played Kearney - Spotter Plane, HMS Ajax in "The Battle of the River Plate" in 1956. Played Gow in "The Heart Within" in 1957. Played Brandt in "The Crossroad Gallows" in 1958. Played Officer in "BBC Sunday-Night Play" in 1960.