Merlin - Bradley James, Eoin Macken, Colin Morgan
Game of Thrones - Richard Madden, Kit Harington
Stranger Things - Finn Wolfhard, Winona Ryder, Millie Bobbie Brown
Friends - Any of the main cast
Lost - Jorge Garcia & Evangeline Lilly
Other suggestions:
Leonardo DiCaprio (a girl can dream)
James McAvoy
Milo Ventimiglia
Timothee Chalamet
Josh Hutcherson
Zac Efron
Ashton Kutcher
Bradley Cooper
Chris Evans
Eddie Redmayne
Nicholas Hoult
Lucas Till
C. Thomas Howell
KJ Apa
Michael Cera
(this list may not be entirely realistic but it's worth a shot )
Christian Slater
Richard Madden
James McAvoy
Luke Treadaway
Harry Treadaway
Bradley James
Eoin Macken
Kit Harington
C. Thomas Howell
Josh Hutcherson
Nicholas Hoult
Chris Evans
Lucas Till
Drew Roy
+ anyone from Lost, Friends, The Walking Dead
Would be cool to get some guests from Merlin? And Perhaps some more Lost guests if possible?
(Bradley James, Colin Morgan, Eoin Macken, Katie McGrath, Jorge Garcia, Evangeline Lilly, Josh Holloway, Matthew Fox) people like that