Whilst on a family scuba diving trip the Kelvin family surface to find that the world's oxygen supply has suddenly dissipated. With their tanks running low they embark on a race against time to reach the nearby dive hut.
Carole Weyers
Anna Kelvin
Francis Magee
Paul Kelvin
Sara Markland
Mary
Sarah Savage
Judy Belcher
Diver
Megan Dicker
Wendy Edmunds
Elsie
Alastair Farquhah
Stuart Farquhah
Harper Jackson
Boy
Mae Jackson
Girl
Simon Messon
