:: Season 1
Charater.....Actor/Actress
Neri......Marzena Godecki
Jason Bates.....David Holfin
Brett Bates.....Jeffery Walker
Dianne Bates.....Kerry Armstrong
Winston Seth.....Alex Pinder
Dr.Hellegren.....Nicholas Bell
Zoe Reilly.....Cassandra McGrath
Froggy (Jake Reilly).....Joe DeCarteret
Vannessa Lane.....Jacalyn Prince
Lee Lucas.....Andrea McEwum
Commander Jack Lucas.....William McInnes
Joddie.....Bryony Price
Damien Geoffries.....Guy Mallaby
H.E.L.E.N.....Nina Landis
First Officer.....Miki Oikawa
Second Officer.....Melvin J. Carrol
Celia....Doris Yoijname
Neri's Father.....Peter McDonald
Young Neri.....Leilani Krans
Billy Nelson.....Elliot Hayes
Johansson.....Fred Whitlock
:: Season 2
Characters.....Actor/Actress
Neri.....Marzena Godecki
Mera.....Lauren Hewett
Jason Bates.....David Holfin
Brett Bates.....Jeffery Walker
Dianne Bates.....Kerry Armstrong
Winston Seth.....Alex Pinder
Dr.Hellegren.....Nicholas Bell
Zoe Reilly.....Cassandrea McGrath
Froggy (Jake Reilly).....Joel De Carteret
Vannessa Lane.....Jacalyn Prince
Michael Byrne.....Anthony Hayes
Captian Sam Phillips.....Terry Serio
Kimberly.....Claudia Buttazzoni
Joanne.....Kristy Barnes Cullen
Rocky.....Sam Johnson
Forsyth.....William Gluth
Liselle.....Sonya Suanes
Commander Byrne.....Pamela Rabe
Neri's Father.....Robert Cooper
Lieutenant Borg.....Caitlin McDougall
First Officer.....Miki Oikawa
Second Officer.....Christopher Kirby
Joshua.....Eric Milliken
Steve.....Andrew Bibby
Patrick.....Daniel Bowde
:: Season 3
Character.....Actor/Actress
Neri.....Marzena Godecki
Mera.....Lauren Hewett
Kal.....Jeremy Angerson
Jason Bates.....David Holfin
Brett Bates.....Jeffery Walker
Dianne Bates.....Liz Burch
Winston Seth.....Alex Pinder
Cassandra Clayborn.....Brooke "Mickry" Anderson
Benny Malkovitch.....Sudi De Winter
Sallyanne Taylor.....Olivia Hiddlestone
Morgan Clayborn.....Verity McIntyre
Dave Hartley.....Tony Briggs
Lena Hellegren.....Joelene Canocorac
Commander Wellington.....Bruce Hughes
Keller.....Nadia Korstich
Dr.Hellegren.....Nicholas Bell
Mrs.Clayborn.....Suasan Gorlivce
Dr.Malkovitch.....Jean Piere Michinon
H.E.L.E.N.....Nina Landis
:: Season 4
Characters.....Actor/Actress
Neri.....Marzena Godecki
Mera.....Lauren Hewett
Jason Bates.....David Holfin
Brett Bates.....Jeffery Walker
Dianne Bates.....Liz Burch
Winston Seth.....Alex Pinder
Cassandra Clayborn.....Brooke "Mickry" Anderson
H.E.L.E.N.....Nina Landis
George Henare.....Malakat
Tharini Mudalair.....Shersheba
Tony Briggs.....Dave Hartley
Damien Bodie.....Louis Danton
Mark Neal.....Agent Jake Shelby
Brenda Monaghan.....Agent Ellt Hauser
Marie-Louise Walker.....Shalamorn
Rhonda Rees.....Ilona
George Ross.....Paul Bates
Paul Sonkkila.....Richter
Barry Friedlander.....Garren
Heath Bergersen.....Jakamarra
Michael Veitch.....First-Officer Danton
Kim Carter.....Ilona's Mother