Both Peter Fonda and Dennis Hopper were co-stars and co-scripters, while Fonda produced, and 32 year old Hopper directed (his first effort).The film was remade asStolen Hours (1963)and as a made-for-TV movie in 1976 with Elizabeth Montgomery.Pavel Chekov (Walter Koenig) assumed the captain""s chair, Kirk and other crew took the shuttlecraftGalileoto the Nimbus III surface, ambushed a look-out party of scruffy colonists, and entered Paradise City, where they were confronted by Sybok - who announced: "I must have your starship"; he forced theEnterprisecrew to take him on the shuttlecraft back up to the starship (during Captain Klaa""s Klingon attack) for a manually-operated emergency landing in the docking bay; then the starship sped off at warp speed to avoid destruction; afterwards, a struggle for control of the ship broke out, and Spock - who had a chance to kill Sybok - refused; it was revealed that Sybok was Spock""s exiled Vulcan half-brother who had chosen emotion/passion over logic.He chided the ship""s leadership for cases of petty infractions.He explained that he wanted a smarter-looking, more regimented, spit-and-polish ship, with neat and tidy crew members without unclean-shaven faces and unkempt haircuts.