overacting
He’s overacting.
Estás sobreactuando, pedazo de mierda.
You're overreacting, you piece of shit.
— मुन्ना भाई एम बी बी एस (2003)
El modo en que está sobreactuando su papel.
The way he's overacting his role.
— Adiós a mi concubina (1993)
He might be overacting.