Hiroo Sasaki (佐々木 啓夫, born on September 9th) is a Japanese voice actor who voices characters in the Japanese version of Thomas & Friends.
He is best known for voicing Akanbee from "Smile Precure!", the Blue Gaming Program from "Tron: Legacy", and Elongated Man from "Batman: The Brave and the Bold".
- Dash (fourteenth season onwards)
- Peter Sam (sixteenth season onwards)
- A Railway Inspector (Too Many Fire Engines)
- Guard (Thomas and the Emergency Cable)
- The Grumpy Passenger (Thomas the Babysitter)