Based。on。a。1924。mystery。novel。by。Agatha。Christie,。The。Man。in。the。Brown。Suit。was。the。eighth。of。Warner。Bros.。Television's。Christie-inspired。TV。movies.。Stephanie。Zimbalist。stars。as。an。American。tourist。in。Cairo。(with。Spain。standing。in。for。Egypt).。She。runs。across。a。mysterious。murder,。and。an。odd。encounter。with。a。stranger;。all。this。occurs。even。before。she。sets。foot。on。a。luxury。liner。with。an。all-suspect。passenger。manifest.。It。is。established。that。the。murderer,。who。is。after。a。cache。of。valuable。diamonds,。is。an。internationally。notorious。criminal--but。which。one。of。the。passengers。is。he。(or。she)?。Maybe。the。villain。romantic。lead。Simon。Dutton,。the。"man。in。the。brown。suit"。of。the。title...but。don't。discount。such。special。guest。suspects。as。Rue。McClanahan。and。Tony。Randall.