Mary Beth is a marine biologist that gets annoyed when a dog called Zeus stows aboard her research boat. Nevertheless she is intrigued when the intrusive canine makes best-friends with her captive dolphin, Roxanne. She falls in love with Zeus's owner, Terry, a musician who rides a bike.

Steve Guttenberg
as Terry Barnett

Kathleen Quinlan
as Mary Beth Dunhill

Arnold Vosloo
as Claude Carver

Dawn McMillan
as Becky

Jessica Howell
as Nora Dunhill

Duchess Tomasello
as Mrs. Rice

Shannon K. Foley
as Linda

Jim R. Coleman
as Phil

Alvin Farmer
as Floyd

Justin Humphrey
as Craig
tmdb76622195
George Miller directs this family film about a scrappy, mangy mongrel who falls in love with a graceful creature way out of his league, and species- but enough about Steve Guttenberg and Kathleen Quinlan. Zeus is the dog belonging to widower Terry (Steve Guttenberg) and son Jordan (Miko Hughes). ...