Mark Twain: Beneath the Laughter90Mark Twain: Beneath the Laughter90thumb_upthumb_downMark Twain: Beneath the LaughterDecember 10, 1979Directed byLarry YustStarring Dan O Herlihy as Mark Twain, this PBS special was created by renowned Twain scholars.US content warning Last Updated: 4 days ago Request Update CastDan O'HerlihyMark TwainKay HowellJean ClemensPeter Henry SchroederSherburnRichard MollStrangerGavan O'HerlihyYoung ClemensSam EdwardsBixbyMaurice KowalewskiPapLes PodewellTom NashSteve StarkHuckleberry Finn RecommendedAn Adventure in Space and TimePrefontaineBrexit: The Uncivil WarStriking DistanceQuiz ShowMariah Carey's Magical Christmas SpecialMurder by DeathDesk SetRescued by RubyThe UnforgivableDoor to DoorCode 3The Wrong ParisTake the LeadKevin Hart: What Now?