The actress playing Power Girl above is Lauren Compton. She's super gorgeous.
Looks like smokin' hot cosplayer Tatiana Dekhtyar (veteran of some of Logan's Heroine Legends episodes, if I'm not mistaken) plays many of the heroines in this series! And is also a co-producer. If she's so eager to play such characters and so versatile in her approach, why aren't SHIP producers approaching her?
Tatiana is Wonder Woman
Tatiana is Black Widow
Jade Kim plays Psylocke
Tess Keilhamer plays She-Ra and Tatiana plays Teela
Tatiana is Harley Quinn. Jade Kim is Katana and Mortal Kombat's Jade
Tatiana cameos as Princess Kitana and Tomb Raider
Tatiana is Scarlet Witch, Lisa Catara is Zatanna, and Lauren Parkinson is Raven
Jody Piccinino is Jessica Jones. Keely Bright is Supergirl.