Russian pronunciation lookup
второстепенных
Said in 2 Russian podcast lines.
То есть те люди, которые могли быть на второстепенных
That is, those people who could have been in the secondary roles.

МетаэфирДень: развлечения
В второстепенных персонажей «Симпсонов» они видели своих соседей, друзей, родственников.
In the secondary characters of "The Simpsons," they saw their neighbors, friends, and relatives.

Поп-СаняПилот. Вспоминаем семейные анимационные ситкомы
The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).