|Place of origin:||Earth|
|Appearance:||Doctor Who and the Silurians|
|Main actor:||Dave Carter|
|Main voice actor:||Peter Halliday|
Along with Morka, K'to and several other Silurians, Okdel awoke in the 20th century. He had developed a relationship with the human Dr John Quinn. The Third Doctor convinced him that the Silurians could share Earth peacefully with mankind. When he realised that Morka was trying to wipe out humanity with a virus, he freed the Doctor and gave him the means to find an antidote.