 During Raoul Dukes acid trip in the bar of the hotel when he first  arrives in Las Vegas, you hear "Roger Pratt, please report to the  front desk" being said on the PA. Roger Pratt (qv) worked with  director Terry Gilliam (qv) on  _Monty Python and the Holy Grail (1975)_ (qv), _Brazil (1985)_ (qv),  _Fisher King, The (1991)_ (qv), and _Twelve Monkeys (1995)_ (qv) as  his cinematographer 