実は

じつは

as a matter of fact; by the way; to tell you the truth; to be honest

JLPT N3 common word

Meaning

expadv
as a matter of fact; by the way; to tell you the truth; to be honest; frankly

しかし、その貸金庫に預けているものを狙った男達に、ハナを誘拐されてしまう。その誘拐犯達とは、実は刑事だった。

However men, seeking the contents of that safe, kidnap Hana. And those men were really detectives.
実は、大きな声で言えませんが、ここ最近このビーチで若い女性が盗撮されたうわさがあるんです。

Actually, and I need to keep this quiet, but recently here there's a rumour that young women on this beach are having photos taken in secret of them.
実は、「have 目的語 done」は使役じゃない場合が多い。

Actually, there are many cases where 'have [object] done' is not causative.