That said, as excited as we are for Gotham City Sirens, we still know very little about who will take part in the film. One of the most important and fundamental characters in the entire story is Pamela "Poison Ivy" Isley, but no casting reports have been confirmed yet with regards to who will take on the role. To better make sense of this beloved character, we have compiled a list of nine actresses that we think are perfect choices that DC needs to consider. We have quite a few unique options to consider, so we're going to kick this off with an actress who has already shown an interest in joining the DCEU as Poison Ivy.