The episode was directed by James A. Contner and written by Michael Green . Critical Reception
"Cool" is often cited as a solid example of the show's early formula. While some reviewers felt the villain lacked depth compared to others, many praised the "slow burn" of the overarching plot involving Lex's true motivations and the Kents' financial struggles. According to ratings on sites like IMDb , the episode is well-regarded for its atmosphere and character progression. Smallville: Season 1, Episode 5 | Cast and Crew Watch Smallville S01E (5)
This episode marks the first of many times Clark must sacrifice his personal happiness and budding relationship with Lana to fulfill his duty as a protector. The episode was directed by James A
Critics noted the impressive visual effects for its time, particularly the "ice flame" scene where candles freeze instantly as Sean passes them. While some reviewers felt the villain lacked depth
The episode features the primary series regulars and specific guest stars: Tom Welling The young hero struggling with responsibility Lana Lang Kristin Kreuk Clark's romantic interest Lex Luthor Michael Rosenbaum The billionaire heir trying to befriend Clark Sean Kelvin Michael Coristine The episode's antagonist with freezing powers Chloe Sullivan Allison Mack Clark's friend and investigative reporter Jenna Barnum Tania Saulnier Sean's first victim and classmate Key Trivia & Production Details
This episode establishes Lex's early role as a mentor to Clark , famously advising him that "a high school boyfriend is not a husband, he's an obstacle".