 The Mark Brothers owned and operated more than a dozen theaters in the United States and Canada called "Mark-Strand" or "Mark Strand".By 1917, Mark's importance in motion picture exhibition was such that when Cecil B. DeMille complained in his autobiography that exhibitors were protesting the high price of Hollywood movie rentals, he cited Mitchel Mark along with Thomas Lincoln Tally as the worst offenders.Mark was married to Estelle "Stella" Brock with whom he had two daughters