Rumor has it the young girl had to walk in a trench next when playing opposite Cruise as to not tower over him ala Alan Ladd and Jean Arthur in Shane.
Not true. Actually, Cruise walked on top of his B.S. and appeared higher than his film daughter. Her screams, BTW, were when Cruise began to emote or Spielberg sought to convey a message to all of us in the unwashed heartland.