Tom Sinclair is the son of Gord Sinclair, bassist of The Tragically Hip. His professional acting résumé isn't that long — outside of The Umbrella Academy he last played Pte. Matheson in 21 Brothers and will be playing Lazarus in the upcoming thriller Serpetine. Sinclair is also a writer and musician, having written Serpetine and served as a composer for additional music for the 21 Brothers.