Graham is joined by rock legend Bruce Springsteen, actors Kristin Scott Thomas and Matthew McConaughey, comedian Mawaan Rizwan and singer Sam Smith, who performs current single Diamonds.
Quest roles:
Stephen Mangan(Self), Matthew McConaughey(Self), Mawaan Rizwan(Self), Kristin Scott Thomas(Self), Bruce Springsteen(Self), Sam Smith(Self - Musical Guest)