expression, godan verb (-su)
remove from the leading role; take someone out of the starring part
Rare expression; used when someone is dismissed or replaced as the main actor or central figure in a performance or project.
監督は彼を主役から降ろす決断をした。
The director made the decision to remove him from the leading role.
Standard kanji spelling using 降ろす (to take down/remove).
Variant using 下ろす; both 降ろす and 下ろす are used for removing someone from a position.
降板させる is a more common and formal term for removing someone from a role, especially in sports or performance, while 主役から降ろす specifically refers to the leading role and is rarer.
Compound of 主役 (leading role) + から (from) + 降ろす (to take down/remove). The verb 降ろす here means to dismiss or remove someone from a position.