Sofia Carson says 'The Life List' raised 'all these existential questions,' leading some test audiences to break up with ...

Carson is joined by British actor Sebastian de Souza, who plays one of Alex's friends Garrett. Article continues below But who is the 31-year-old Englishman and where have you seen him before?

Alongside Carson is British actor Sebastian de Souza, portraying one of Alex's friends, Garrett. But who exactly is this 31-year-old Englishman and where might you have seen him before?

Nicole Rivelli/Netflix Sofia Carson in 'The Life List' "Adam would call me all the time after test screenings, and he would say that there were so many people that would [tell him], 'I ended up ...

Sofia Carson and Kyle Allen in 'The Life List' ...