Bryan Cranston in Breaking Bad: Bryan Cranston's transformation from a mild-mannered chemistry teacher to a ruthless drug lord was mesmerizing, making "Breaking Bad" an instant classic.
Viola Davis in How to Get Away with Murder: Viola Davis's portrayal of Annalise Keating earned her critical acclaim and solidified the show's gripping intensity.
Jon Hamm in Mad Men: Jon Hamm's portrayal of Don Draper added layers of complexity to the character, elevating "Mad Men" to cult status.
Idris Elba in Luther: Idris Elba's charismatic performance as DCI John Luther made this British crime drama a must-watch series.
Eva Green in Penny Dreadful: Eva Green's captivating presence and haunting performance elevated "Penny Dreadful" to a dark, supernatural masterpiece.
Michael C. Hall in Dexter: Michael C. Hall's portrayal of the enigmatic serial killer Dexter Morgan kept audiences hooked for eight thrilling seasons.
Hugh Laurie in House: Hugh Laurie's brilliant depiction of the acerbic and genius Dr. House made this medical drama iconic.
Elisabeth Moss in The Handmaid's Tale: Elisabeth Moss's portrayal of Offred in this dystopian world was an emotional tour de force, winning her critical acclaim.
Tatiana Maslany in Orphan Black: Tatiana Maslany's versatility in playing multiple clones showcased her extraordinary acting chops and defined this sci-fi series.