Was the T-Rex, the most iconic of all dinosaurs, as mighty and fearsome as its legend? This documentary explores the evolutionary path of the Tyrannosaurus, following the journey of two dinosaur brothers.
| Actor | Role |
|---|---|
| KKarl BatesNot listed | Not listed |
| SSteve BrusatteNot listed | Not listed |
| SSeiko ChujoNot listed | Not listed |
 Dean FujiokaNot listed | Not listed |
| DDave HoneNot listed | Not listed |
| MMari LoewenNot listed | Not listed |
| PPeter MakovickyNot listed | Not listed |
| NNaohiko OhkouchiNot listed | Not listed |
| BBill SellersNot listed | Not listed |
| LLawrence WitmerNot listed | Not listed |
| XXu XingNot listed | Not listed |
| LLindsay ZannoNot listed | Not listed |