Ted Danson as Dr. Dempsey

Joely Richardson as Laura

Ian Holm as Water Bailiff

Kirsty Graham as Isabel

James Frain as Adrian Foote

Keith Allen as Gordon Shoals

Nick Brimble as Andy Maclean

Wolf Kahler as Dr Muller

John Dair as Macleash

Philip O'Brien as Dr Abernathy

Debora Weston as Dr Hunter

Roger Sloman as Norwegian

Julian Curry as Englishman

Brian Pettifer as Repairman

John Savident as Dr Binns

Richard Vernon as Aged Professor

Harris Yulin as Dr Mercer