Below: Meet the Cast and Characters of Netflix’s Thriller Show

Josh Hartnett leads the series as Calvin Penney, a “fisherman and father of three [who] struggles to find success in his seaside village — all while navigating a mysterious creature threatening locals.” According to Netflix’s character description, “Ever since a childhood tragedy upended his life, Calvin Penney has been pretty sure he’s cursed.”

Where you’ve seen Josh Hartnett: Trap, Pearl Harbor, Verity, Black Hawk Down, Oppenheimer, The Faculty, Fight or Flight

Charlie Heaton plays Wade Penney, the eldest son of Calvin Penney. The streamer’s official description states: “While the rest of his siblings have ventured away from their hometown, Wade has stayed put. Stuck in a state of arrested development, Calvin’s oldest son gets into mischief in their tiny town.” Netflix also revealed that Heaton “spent time with Newfoundland locals to get to know the culture” while preparing for the role. In doing so, he found that his character “wasn’t so far from reality.”

Where you’ve seen Charlie Heaton: Stranger Things, The New Mutants, Marrowbone, Industry, Shut In, No Future

Mackenzie Davis stars as Fonda Howander, a marine biologist who is “trying to get to the bottom of the mysteries brewing in Snook’s Arm.” Netflix also shared that creator Jesse McKeown “drew inspiration from real-life scientist Annie Mercier who works for Newfoundland’s Ocean Sciences Centre, which they used as the filming location for Fonda’s lab.”

Where you’ve seen Mackenzie Davis: Speak No Evil, Blade Runner 2049, Halt and Catch Fire, Station Eleven, The Martian, Happiest Season

Rohan Campbell plays Jay Penney, the son of fisherman Calvin Penney. His official character description reads: “Calvin’s youngest seems to be doing well for himself after leaving Snook’s Arm. He receives a hero’s welcome when he returns for the Come Home Year celebration, but a threatening text message soon reveals that his life might have taken a dangerous turn and his financial situation isn’t what it seems.”

Where you’ve seen Rohan Campbell: Silent Night, Deadly Night, The Hardy Boys, Halloween Ends, The Monkey, Violence

Ruby Stokes portrays Mary Penney, Calvin Penney’s daughter. Netflix’s character breakdown notes that Mary is “returning home to Snook’s Arm for the first time in three years and bringing her boyfriend Noah (Kaleb Horn) with her to meet the family.”

Where you’ve seen Ruby Stokes: Sunny Dancer, The Burning Girls, Una, A Banquet, The Jetty, Lockwood and Co.

Mary Penney’s boyfriend, Noah, is played by Kaleb Horn. He’s a “city boy from Montreal” who “arrives in Snook’s Arm hoping to get to know Mary’s family and take his relationship with his girlfriend to the next level. What he doesn’t expect is a massive underwater creature terrorizing the town … and potentially ruining his big plans for the future.”

Where you’ve seen Kaleb Horn: Revival, Chucky, The Kid Detective, Dream Scenario

• Willow Kean as Ruth Penney: She is Calvin Penney’s sister as well as the town’s harbormaster.

• Natasha Henstridge as Jan Hickey: She is Snooks Arm’s official Resettlement Liaison Officer who is also an “amateur” potter.

• David Wenham as Steve Bruner: He is the commander of the RSV Sir John Franklin, a “high-tech research vessel.”

• Alexander Karim as Dr. Hugo Sayed: He is a marine biologist who has a “long-held obsession with the underwater creature that’s tormenting Snook’s Arm.”