stand-in
US /ˈstænd.ɪn/
UK /ˈstænd.ɪn/

1.
dublê, substituto
a person who substitutes for another, especially in a performance or dangerous stunt
:
•
The actor had a stand-in for the dangerous car chase scene.
O ator tinha um dublê para a cena perigosa de perseguição de carro.
•
She worked as a stand-in for the lead singer when she was ill.
Ela trabalhou como substituta da cantora principal quando ela estava doente.