In 2008, he/she made his/her debut in the musical "13".
He/She made his/her debut in 2008 in the musical "13".
He/She debuted in 2008 in the musical "13".
「2008年、ミュージカルである『13』でデビューした」=
In 2008, he/she made his/her debut in the musical "13".
He/She made his/her debut in 2008 in the musical "13".
He/She debuted in 2008 in the musical "13".
ボキャブラリー
make one's debut = デビューする
to debut = デビューする(動詞)