Smith is best known for his roles in the series Drive, Frequency, 24, Joan of Arcadia, 90210, True Blood, and The Messengers.
- On August 4, 2019, Smith did an Instagram Takeover for the official Nancy Drew account. It was the same day as the TCA (Television Critics Association) and the takeover featured much of the event behind the scenes.
- Tweet by Riley Smith: Head over to @cwnancydrew Instagram tomorrow and follow me and the #drewcrew on a day at the TCA’s. August 3, 2019.
- Tweet by official Nancy Drew Twitter account: He's stepping out of the shadows. @RileySmith is taking over today! (link: http://instagram.com/cw_nancydrew) instagram.com/cw_nancydrew #NancyDrew August 4, 2019.
- Official Nancy Drew Instagram account: He's stepping out of the shadows. @rileysmithofficial is taking over today! #NancyDrew August 4, 2019.
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