Movie

Animal Behavior

Released: October 27, 1989 (1989)

Runtime: 85 minutes

Genres: Comedy, Romance

Biologist Alex Brisco develops a new method to communicate with chimpanzees. Instead of using machines, she teaches the chimps simple sign language. Her research is overlooked by ignorant colleagues, but one man, Mark, a cellist, helps Alex with her research.

Main Cast (Top 10 billed, oldest first)

Joyce Brothers as Herself
Age at release: 62
Nan Martin as Mrs. Norton
Age at release: 62
Alice Drummond as Site Committee
Age at release: 61
Richard Libertini as Doctor Parrish
Age at release: 56
Josh Mostel as Mel Gorsky
Age at release: 42
Armand Assante as Mark Mathias
Age at release: 40
Karen Allen as Alex Bristow
Age at release: 38
Holly Hunter as Coral Grable
Age at release: 31
Alexa Kenin
Age at release: 27
Jon Matthews as Tyler Forbes
Age at release: Unknown

Show more cast

Ivan Bonar as Dr. Ridley
Age at release: 64
Joyce Brothers as Visiting Psychologist
Age at release: 62
Alexa Kenin as Sheila Sandusky
Age at release: 27
Crystal Buda as Cleo Grable
Age at release: Unknown
Vivian Warfield as Blaze de Teo
Age at release: Unknown
Janni Brenn as Mrs. Parrish
Age at release: Unknown
Steven Kent Foster as Nerd
Age at release: Unknown
Cynthia Vance as Co-Ed
Age at release: Unknown
Al Jones as Site Committee
Age at release: Unknown
Peter Prouse as Site Committee
Age at release: Unknown