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

1.
controfigura, sostituto
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.
L'attore aveva una controfigura per la pericolosa scena di inseguimento in auto.
•
She worked as a stand-in for the lead singer when she was ill.
Ha lavorato come sostituta per la cantante principale quando era malata.