Understudy

дублёр

dubljór

(performer who understudies)

вы́учить роль

výučitʹ rolʹ

(to study or know a role to such an extent as to be able to replace the normal performer when required)

дубли́ровать

dublírovatʹ

(to act as an understudy)

заменя́ть

zamenjátʹ

(to act as an understudy)

замеща́ть

zameščátʹ

(to act as an understudy)