Answer:

stone

AnswerCrossword Clue
STONEActor-director Ezra
STONESee 45A
STONESharon of "Total Recall"
STONEBackgammon piece
STONEEzra or Sharon
STONEHarlan or Ezra
STONEPelt with rocks
STONEPunish, in a way
STONEThrow rocks
STONE"Platoon" director Oliver
STONEPaving material
STONEPelt
STONE"... Cold" (1991 Brian Bosworth masterpiece)
STONE"The Agony and the Ecstasy" author
STONEJewel
STONECalculus
STONESoup starter?
STONEHopscotch marker
STONEGorgon viewer?
STONEJFK director
STONESculptor's medium
STONESly's family at Woodstock
STONEPlum in the middle?
STONESkipper on a pond
STONEWeight
STONEPebble
STONEDirector Oliver
STONE"... walls do not a prison make": Richard Lovelace
STONERuby, for one
STONEBritish weight unit
STONESomething to skip
STONERock
STONESkip it
STONETotally
STONERiver skipper
STONEPaving unit
STONECairn unit
STONEGem
STONEGoliath's undoing
STONEIt can be skipped