Amponsah began his acting career with stage roles at the
Shaw Festival in the early 2010s. In the same year he appeared in two third-season episodes of
Killjoys as Havigan, the proprietor of a hackmod bar, and starred in
Sherren Lee's award-winning short film ''
The Things You Think I'm Thinking''. In 2018, he was profiled in Jamie Miller's short documentary film ''
Prince's Tale'', and played a leading role in a production of
Judith Thompson's play
After the Blackout. In this era he also had guest roles in the television series
Frankie Drake Mysteries, ''
The Handmaid's Tale and Private Eyes''. In 2021 he appeared as August, a member of the Traveling Symphony, in the television miniseries
Station Eleven, and performed in "Emmett",
Syrus Marcus Ware's contribution to the
21 Black Futures project. In 2022 he had a recurring role as Marvin in the web series
Avocado Toast, for which he received a
Canadian Screen Award nomination for Best Supporting Performance in a Web Series at the
11th Canadian Screen Awards in 2023. His role in the series was hailed as a positive step forward for representation of people with disabilities, as his disability was narratively acknowledged but not dwelled upon as the defining aspect of his character's story. Also in 2025, Amponsah appears as Henry Sickler in the
Apple TV series
The Last Frontier. ==References==