Robert Fletcher Robert " Bob " Fletcher Wycoff , better known simply as " Robert " or " Bob Fletcher " , designed the costumes used in the first four . He started out in the " Star Trek " franchise when he was brought in by Director Robert Wise in March 1978 for , thereby replacing veteran William Ware Theiss , who hitherto held the position . ( " " , p . 124 ) He earned Saturn Award nominations from the Academy of Science Fiction , Fantasy & Horror Films for his work on all four films , winning his fourth ( for ) . Starfleet uniform s based on his designs were also used in , , and as well as in scenes for and . Fletcher was also responsible for the " look " given to the Klingon s and Vulcan s in the " Star Trek " films , elements of which have been used in every subsequent " Star Trek " series , including the Klingon cranial ridges that were first adopted in " Star Trek : The Motion Picture " . In addition , Fletcher designed the full set of rank pins used in " Star Trek II " and beyond . Paramount obtained several design patents based on Fletcher ' s work , where he is listed as the " inventor " of the design . In 2007 , Fletcher also worked as costume designer for the Starfleet uniforms for the fan - made internet series " Star Trek : New Voyages " episode " World Enough and Time " , which features James Cawley , Jeffery Quinn , George Takei , Grace Lee Whitney , Majel Barrett Roddenberry , and John Carrigan . Fletcher is currently the oldest living production staff member who worked on " Star Trek " . Overall , he ' s the fifth oldest living person to work on " Star Trek " , after actors Norman Lloyd , Marsha Hunt , Nehemiah Persoff , and Reuben Klamer , a toy manufacturer who designed the phaser rifle for . Career outside " Star trek " . Prior to his involvement with " Star Trek " , Bob Fletcher accumulated set , and costume design credits for predominantly television productions such as " NBC Television Opera Theatre " ( 1955 ) , " Stanley " ( 1956 ) , " General Motors 50th Anniversary Show " ( 1957 ) , " Music with Mary Martin " ( 1959 ) , " The Hollywood Palace " ( 1967 - 1968 ) , " A Family Thing " ( 1968 ) , and " The Scarecrow " ( 1972 ) . A single movie credit , prior to " The Motion Picture " , was Sam Peckinpah ' s 1970 western " The Ballad of Cable Hogue . " In addition to his " Star Trek " work , Fletcher designed costumes for the later films " Caveman " ( 1981 ) , " The Last Starfighter " ( 1984 ) , and " Fright Night " ( 1985 ) . He also worked on the epic mini - series " North and South , Book II " ( starring Kirstie Alley , Mary Crosby , Jonathan Frakes , Jim Metzler , Jean Simmons , Kurtwood Smith , David Ogden Stiers , and Anthony Zerbe ) , for which he earned an Emmy Award nomination for Outstanding Costume Design for a Miniseries or a Special . The Costume Designers Guild honored Fletcher with a Career Achievement Award in 2005 . " North and South " and " The Voyage Home " were his last motion picture contributions before his retirement . Aside from the motion picture industry , Bob Fletcher has also worked extensively for Broadway musical and theater productions , earning him three Tony Award , and one Drama Desk Award nominations , though not winning any of them .