Complex sentence: These portrayals include both the "Adventures of Superboy" television series, where she is portrayed by Stacy Haiduk, and the WB/CW television series "Smallville", in which she is played by Kristin Kreuk.
Split into simpler sentences: These portrayals include the "Adventures of Superboy" television series, played by Stacy Haiduk. And the WB television series "Smallville", played by Kristin Kreuk.