|Place of origin:||Earth|
|Appearance:||The Seeds of Doom|
|Main actor:||Seymour Green|
- You may be looking for a robot butler of the same name.
Hargreaves was the butler of Harrison Chase at Chase Mansion. He helped care for the Krynoid-infected Arnold Keeler, reporting to Chase when Keeler became aggressive. Hargreaves was later killed by vines under Krynoid influence. (TV: The Seeds of Doom)