George Crichton (
Dick Martin), in the middle of a divorce and traveling with his mistress, Nancy Atwell (
Judith Chapman), is convinced that his wife is spying on him, fellow passenger Marion Vail (
Mary Ann Mobley) helps George by looking for bugs in his cabin; blind woman Callie Reason (
Leslie Uggams) fends off would-be suitor Allen Christensen (
David Hedison); nudist sunbather Cathy Somms (
Barbi Benton) causes problems for the crew, especially Gopher (
Fred Grandy), fellow passenger Wendell Carson (
Peter Haskell) helps Cathy by protecting her right to sunbathe nude;
—anonymous