18. GINA HOLDEN

Show: Harper’s Island
Producers couldn’t have picked a better actress to portray the troubled maid-of-honor (of the wedding central to the murder-mystery plot) than Gina Holden. With Holden’s pretty yet porcelain facade, the actress aptly embodied the character of Shea Allen, the bride-to-be’s externally flawless older sister who internally struggled with a bratty daughter and a problematic marriage.