Ben Pownall

Alex Roe

Ryn

Eline Powell

Maddie Bishop

Fola Evans-Akingbola

Helen Hawkins

Rena Owen

Xander McClure

Ian Verdun

Donna

Sibongile Mlambo

Aldon Decker

Ron Yuan

Capt. Sean McClure

Brian Anthony Wilson

Calvin Lee

Curtis Lum

Levi

Sedale Threatt Jr.

Professor Aldon Decker

Ntare Guma Mbaho Mwine

Ted Pownall

David Cubitt

Elaine Pownall

Sarah-Jane Redmond

Dr. Abbott

Patrick Gallagher

Janine

Hannah Levien

Katrina

Aylya Marzolf

Chris Mueller

Chad Rook

Eliza

Georgia Waters

Sheriff Dale Bishop

Gil Birmingham

Doug Pownall

Andrew Jenkins

Widow McClure

Jill Teed

Cami

Millan Tesfazgi

Deputy Marissa Staub

Tammy Gillis

Nicole Martinez

Natalee Linez

Sarge

Hugo Ateo

Donnie

Toby Levins

Jerry

David A. Kaye

Admiral Harrison

Anthony Harrison

Ian Sutton

Luc Roderique

Commander David Kyle

Michael J Rogers

Teacher

Naiah Cummins

Rick Marzdan

Brendan Fletcher

Young Mermaid

Devina Briggs

Viv

Alvina August

Susan Bishop

Garcelle Beauvais

Sister

Claire Margaret Corlett

Hunter / Hunter (Mermaid)

Katie Keough

Friend

Latonya Williams

Beth Marzdan

Caroline Cave

Robb Wellens / Robb Wellens (voice)

Deniz Akdeniz

College Girl

Georgia Bradner

Tia

Tiffany Lonsdale

Girl #1

Natalie Farrow

Deputy Clarence

Graeme Duffy

Bryan

Daniel Cudmore

Meredith

Kiomi Pyke

Sylvia

Sarah Hayward

Jaedon Siewert

Leena / Leena (Hybrid Doc)

Kaaren de Zilva

Roberta

Marilyn Norry

David Kyle

Michael Rogers

Ex-Jock

Dayleigh Nelson

Judy

Nisreen Slim