do you mean in chef fang main lead and their parents are not portrayed by same actor/actress
I mean when I look at the cast nobody played double role, like all of other answer. And I don't remember they have double role. But since OP don't respond I think gonna let this slide then...
10 Dramas/Movies where someone starts dancing with no music in background (note: not a celebrating dance or silly moves, but a proper dance; it's okay if the music is the OST, as long as it's not hearable by them; it's okay if they're using headset, so the people around them won't hear anything )
5. Sweet First Love - ML takes FL to the roof, away from the party and presumably the music, where they proceed to dance themselves - see below, around 9 minute mark (the background music is from OST, not the party music)