The episode was written with Kor as the lead Klingon, however Jon Colicos was working on another project and was unable to reprise the role (much to his regret, reportedly) and the character of Kang was created instead.
Please read the following before uploading
Do not upload anything which you do not own or are fully licensed to upload. The images should not contain any sexually explicit content, race hatred material or other offensive symbols or images. Remember: Abuse of the TV.com image system may result in you being banned from uploading images or from the entire site – so, play nice and respect the rules!