Simplify the following text for a Grade 11 native English-speaking person.
Original: Ian Somerhalder reprises his role as deceased Flight 815 crash survivor Boone Carlyle , as does Rebecca Mader , who portrays anthropologist Charlotte Lewis .
Simplified: Ian Somerhalder also returned as Flight 815 crash survivor Boone Carlyle in several episodes . Rebecca Mader , who portrays anthropologist Charlotte Lewis , also returned .