What was the nickname for the actor that the original Dinosaurus leading role was intended for?
Dinosaurus!: Dinosaurus! Dinosaurus!:  The leading role was intended for Steve McQueen, who starred in "The Blob" two years earlier, also directed by Yeaworth Jr., but for reasons not clear, the offer was never made to McQueen. Steve McQueen:  Called "The King of Cool", his "anti-hero" persona developed at the height of the counterculture of the 1960s and made him a top box-office draw of the 1960s and 1970s.
"The King of Cool"