Madelaine Petsch is an American actress best known for her role as Cheryl Blossom on The CW television series Riverdale (2017-2023). She has also had prominent roles in Sightless and Lionsgate’s reboot trilogy of The Strangers.
Martinique and Regan Wyngarde grew up in constant competition with one another. Vying for their father's approval and to out do one another. So naturally, after his death both young women took on the Mastermind name and followed in his footsteps.
