who's in charge

Let me see who's in charge!

Laissez-moi voir qui est aux commandes !

— Ghost in the Shell (1995)

Who's in charge here?

Qui est responsable ici ?

— Moonrise Kingdom (2012)

Who's in charge around here?

Qui est le responsable ici ?

Who's in charge?

Qui est responsable ?

— Asterix & Obelix: Mission Cleopatra (2002)

No one knows who's in charge.

Personne ne sait qui est aux commandes.

I don't know who's in charge of the business.

Je ne sais pas qui dirige l’entreprise.

Who's in charge of the school kitchen?

Qui est responsable de la cuisine de l’école ?

Tom is the person who's in charge.

Tom est la personne responsable.

Nobody knows who's in charge.

Personne ne sait qui est aux commandes.