Mark Hamill, as Luke Skywalker, voices air raid alerts in Ukraine

Mark Hamill carries 'Star Wars' voice to Ukraine via air raid alert app

Mark Hamill Will Sign ‘Luke Skywalker’ Posters To Raise Funds For Ukraine

Mark Hamill Selling Signed ‘Star Wars’ Posters to Raise Funds for Ukraine; Actor Hasn’t Sold Autographed ‘Star Wars’ Items in Six Years