Rewriting this sentence in DIRECT OBJECT PRONOUNS.
-Vamos a ver a mi actor favorito en el teatro.
Because there is an infinitive here, you have one of two choices. Either before the conjugated verb as usual or after the infinitive and attached to it.
Lo vamos a ver OR Vamos a verlo
Sra
Lo vamos a ver en el teatro.
To rewrite the sentence using direct object pronouns, we replace "a mi actor favorito" with the direct object pronoun "lo." "Lo" agrees with the masculine singular noun "actor." Therefore, the sentence becomes "Lo vamos a ver en el teatro."