candice king as rachel collins
taissa farmiga as grace collins
chloe moretz as valerie collins
julie bowen as laura collins
matt damon as mark collins
joseph morgan as niklaus mikaelson
dylan o'brien as stiles stilinski
tyler posey as scott mccall
crystal reed as allison argent
tyler hoechlin as derek hale
holland roden as lydia martin
daniel sharmen as isaac lahey