Sam Buchanan is an English television and film actor. His television roles include Such Brave Girls (2023). His film roles include Back to Black (2024) and My Fault: London (2025). He is from Kent. He left college with a Performing Arts BTEC and then graduated with a BA from the ArtsEd Acting program in 2019. He had a role as Fitzy in EastEnders in May and June 2021, until the character became a victim of knife crime. He had a part in a not-for-profit verbatim production of the Grenfell Tower Inquiry, called Value Engineering which was filmed and broadcast on Channel 4 with the title Grenfell.

He had a role in 2022 video game Marvel's Midnight Suns. He had the role of Bash on 2023 video game Ten Dates. That year, he appeared as Billie's on/off boyfriend Nicky in Kat Sadler's British comedy drama series Such Brave Girls. He also appeared in Amazon Prime Video thriller series The Power.