♪♪ [wind howling]

Description: A coastal town known for its legend of once being home to mermaids is turned upside down when a mysterious girl appears and begins wreaking havoc.

Cast:
Ben Pownall: Alex Roe
Ryn: Eline Powell
Maddie Bishop: Fola Evans-Akingbola
Xander McClure: Ian Verdun
Helen Hawkins: Rena Owen
Calvin Lee: Curtis Lum
Ted Pownall: David Cubitt
Elaine Pownall: Sarah-Jane Redmond
Janine: Hannah Levien
Cami: Millan Tesfazgi
Eliza: Georgia Waters
Levi: Sedale Threatt Jr.
Deputy Marissa Staub: Tammy Gillis
Katrina: Aylya Marzolf
Sheriff Dale Bishop: Gil Birmingham
Jerry: David Kaye
Rick Marzdan: Brendan Fletcher
Chris Mueller: Chad Rook
Nicole Martinez: Natalee Linez
Donna: Sibongile Mlambo
Sarge: Hugo Ateo
Hunter: Katie Keough
Tia: Tiffany Lonsdale
Robb Wellens: Deniz Akdeniz
Commander David Kyle: Michael J Rogers
Ian Sutton: Luc Roderique
Beth Marzdan: Caroline Cave
Susan Bishop: Garcelle Beauvais
Doug Pownall: Andrew Jenkins
Viv: Alvina August
Aldon Decker: Ron Yuan
Bryan: Daniel Cudmore
Deputy Clarence: Graeme Duffy
Meredith: Kiomi Pyke
Admiral Harrison: Anthony Harrison
Leena: Kaaren de Zilva
Patti McClure: Jill Teed
Mate: Aryeh-Or
Annie Brennan: Megan Danso
Sylvia: Sarah Hayward
Roberta: Marilyn Norry
Dr. Abbott: Patrick Gallagher
Commander Anderson: Dalias Blake
Guard: Jamall Johnson
Weakest Blue-Eyed Mermaid: Maria Meadows
Capt. Sean McClure: Brian Anthony Wilson
Glen: Christopher Rosamond
Dr. Reed (Naval Doctor): Donny Lucas
Nurse Donna Stevenson: Veronika Hadrava
Ex-Jock: Dayleigh Nelson
Fisherman: Broadus Mattison
Lieutenant Maeda: Jennifer Oleksiuk
Dr. Park: Khaira Ledeyo
Tanya: Ellen Ewusie
Ava (Physiotherapist): Yumi Ogawa
Curious Mermaid: Breanna Watkins
Dawson (Naval Lab TecH): Shawn Ahmed
Petty Officer Nina Lopez: Gigi Saul Guerrero
Vicki: Jennifer Koenig
Doctor Logan: Todd Thomson
John: Serge Jaswal
Daphne (Helen's Mom): Shayla Stonechild
Male Yura: Ben Sullivan
Wally: Brad Kelly
Grizzly Fisherman: Shayne Elliott
Officer Brigg: Donal Thoms-Cappello
Libby: Jacqueline Breakwell
Night Clerk: Stew McLean
Holly: Meghan Drew
Young Woman #1: Lana Jalissa
Older Fisherman: J. Douglas Stewart
Hope: Alix West Lefler
Librarian: Dion Riley
Researcher: Edwin Perez
Flirty Couple #1: Saskia Wedding
Cute Male Kissing #1: Derek Wallis
Warren (KFGT Producer): James Yi
Purple-Eyed Soldier Merman #A: Hyuma Frankowski
Aide (Hospital): Cassandra Cavalli
Deputy: Tina Grant
Professor Aldon Decker: Ntare Guma Mbaho Mwine
Donnie: Toby Levins
Yura (Female): Sisse Marie
Silas: Sandy Robson
Sidney: Rick McLean
Selena: Melanie Rose Wilson
Lead Singer: Steve Richmond
Deputy #1: Ron Robinson
Orderly: Lissa Neptuno
Father (Hunter): Jaren Moore
Danny: Jesse Stretch
Drummer: Hunter Golden
Smokey: Mark Acheson
Clerk: Orin McRey
Boris: Alex Bogomolov
Beachcomber #1: Cameron McDonald
Teacher: Nia Cummins
Wanda: Bethany Brown
Son (Hunter): Nikolas Dukic
Some Drunk: Adam Pateman
Jeremy: Richard Ian Cox
Deputy Dennis: Christopher Logan
Waitress: Kay Shioma Metchie
Anna: Olesia Shewchuk
Beachcomber #3: Heather Feeney
Town Pastor: Angela Moore
Foreman Rob: Vaughn Clements
Narrator: Jaedon Siewert
Responder: Jenna Hastings
Market Woman: Paralee Cook
Barista: Seigfred Perolino
Dimitri: Michael Sech
Trailer Park Mom: Tatyana Forrest
Sylvia's Date: Jai Braithwaite
Computer Tech: Adam Klassen
Young Mermaid: Devina Briggs
Man: Gaalen Engen
Dr. Herrera: Tosca Baggoo
Businessman: David Alexander Parent
Naval Guard: John Jarratt
Lance: Rob McEachern
Fisherman #1: Arvind Johal
Rough Fisherman #2: Joe Costa
News Anchor: Kristina Matisic
Beachcomber #2: Mike Wasko
Young Charles: Thomas Glukler
Donnie's Neighbor: Phillip Reed
Bartender (AK): Quianna Denny
Girl (At Marine Center): Jacqueline Burrows
Locksmith: Marcus Hondro
Vincent (Whistle Blower): Dagan Nish
Hector: Shaun Omaid
Drunk Tourist: Nevin Burkholder
Bald Guy: Javier Lacroix
Fisherman #2: Byron Bertram
Dave: Michel Issa Rubio
Young Woman #2: Stephanie Aigbe
Customer: Alex Lee
Sister: Claire Margaret Corlett
White Van Man #2: Shane Nicely
Andrea (Waitress): Lia Farrelly-Hodge
Little Girl: Naomi Tan
Paula: Clare Filipow
Roger Dunn: Gardiner Millar
Anchor Patron #1: Neil Charlesworth
Mother: Samantha Rose
Another Drunk Tourist: Xiomara Lopez
Suspect: Mark Ferns
Armed Guard: Ronald Patrick Thompson
Ivan: Arkie Kandola
Man on Boat: Kasey Kieler
Kid #2: Makena Kristjanson
Anchor Person #2: Aaron Joseph
Pilot: William Vaughan
Instructor: Nicole Anthony
Leader: Carolyn Anderson
Male Hybrid: Carl Montoya
Friend: Latonya Williams
Sketch Artist: Tara Pratt
Community Woman #1: Janet Glassford
Goth Checkout Girl: Jaymee Mak
White Van Man #1: Tevis Toro
Over the Hill Sporto: Duncan McLellan
Foster: Donald Sales
Cable News Anchor: Jay Durant
Military Nurse: Emily Delaney
Doctor Riley: Jeremy Schuetze
Training Officer: Madeleine Kelders
Co-Pilot: Nitin Prasad
Russian News Anchor: Den Kuznetsov
Kid #1: Malcolm Craig
Crying Woman: Shauna Hansen
Another Female: Elizaveta Neretin
Customer #1: Morgana Wyllie
Thug #1: Mike Kovac
Jackson: Dimitri Vantis
Drew Hollimar: Kamran Fulleylove
Checkpoint Soldier #1: Jayce Barreiro
Neighbour: Emma Barratt
Judy: Nisreen Slim
Server: Alla Rouba
Triage Nurse: Kia Vance
College Girl: Georgia Bradner
Community Woman #2: Gail Hamilton
Klesco Rep #1: Jaycie Dotin
Bill Groton: Jan Bos
Thug #2: Simon Chin
Checkpoint Soldier #2: Paul Almeida
Maid: Lyza Ulrych
Brad Lusk: Victor Dolhai
Mom #1: Celia Aloma
Girl #1: Natalie Farrow
Police Chief Judy Brennan: Françoise Robertson
Bill Whitman: Marc-Anthony Massiah
The Guy (Shane): Nathan Dashwood
Klesco Rep #2: Hesham Hammoud
BNR New Reporter: Brett Harris
Nurse: Megan Hui
Mom #2: Niamh Taylor
Toddler: Preston Drabble
Aaron: Raf Rogers
Canadian Foreign Minister Martin Wen: Ronin Wong
Oil Engineer: Andy Nez
Mom: Olivia Poon
Mermaid Corpse Half Transformed: Myfanwy William
Bored Call Center Guy: Kalvin Olafson
Mom #3: Gili Roskies
Zhi-Yin Qi: Doralynn Mui
Oil Technician: Teana-Marie Smith
Teenager: Quinn Dubois
Facilitator: Jay Cardinal Villeneuve
Mom #4: Kapila Rego
Pleasant Woman (With Puppy): Leana Yu
Kelli: Carmela Sison
Hard Hat Worker: Seth Ranaweera
Detention Guard #1: Maya Nadine
Coroner's Assistant: Mo Saïd
Cop #1: Stephen Adekolu
Photographer: Stewart Iguidez
Detention Guard #2: Kris McRonney
Cop #2: Wren Walker
Small Boy: Atlee Smallman
Anthony: Jason Asuncion
Businesswoman: Bronwen Smith
Female Detention Guard: Jana Benoit
Boy's Mother: Angela Galanopoulos
Kenny (Seafood Worker): LeAngelo White
Guy #1: Brian Lui
Hardware Store Clerk: Mark Manning
Woman: Rebecca Olson
Petty Officer: Philip Prajoux
Crew #1: Sebastian Kroon
Reporter #1: Kareem Malcolm
Woman in Yoga Pants: Laura Geluch
Sniper: Mitra Suri
Reporter #2: Tim Zhang
Bar Patron: Nima Gholamipour
Checkpoint soldier: Starlise Waschuk
Medic: Gelsea Mae
Reporter #3: Tracey Roath
Desk Worker: Sangeeta Wylie
News Intern: Jacki Gunn
Producer #1: Sidika Larbes
(Med) Tech: Thomas Wayne Hum
Producer #2: Dan Bates
Black Ops Commander: Tony Bailey
Officer: Alistair Weir
Elderly Lady: Cindy Piper
Elderly Man: Daniel Bruce
Resident: Melice Bell
Victim #1: Francisco Cano
Father: Adrian Neblett
Teenage Son: Tierno Diallo
Port Angeles Police Chief: Eric Ruggieri
Tech: Alicia c. Snee
Victim #2: Chris Carson
Kate: Amy Goodmurphy
Research Scientist: Peter Brown
Art Gallery Patron: Tunde Pellicola
Military Scientist: Ranjit Samra
Special Guest: Gerardo Barcala
Festival Goer: Linley Subryan
The Driver: Mike Carpenter
Family Hybrid: G. John Turnbull
Fred: Steve Oatway
Birthday Party Girl: Kacy Rink
Jogger: Kerën Burkett
Lucky Blue Eyed Mermaid: Amanda Voll
Biker: James Tyson

Written by: Eric Wald, Dean White

Production: Walt Disney Television

Release date: 29 Mar 2018