Emmanuel John is an actor who played a Federation Headquarters Security Officer in the Star Trek: Discovery fourth season episodes "All In" and "Coming Home" and the fifth season episode "Erigah".
Besides his Star Trek role, he played bit parts in episodes of Trailer Park Boys and The Handmaid's Tale (with Joel Lacoursiere and Vanessa Burns), and appeared as a Pella crewmember in six episodes of The Expanse (with Shohreh Aghdashloo, Brian George, Vanessa Smythe, Samer Salem, Emma Ho, Ian Ho, Conrad Coates, Daniel Jun, Kyle Gatehouse, Adrian Pavone, Ava Cheung, Andre Colquhoun, Lindsay Owen Pierre, Phi Huynh, Josh Madryga, Victoria Goodman, and Alex Armbruster).
He also appeared in the independent films And Into the Fire (2015), Black Cop (2017, starring Ronnie Rowe Jr. and Sophia Walker), and Hopeless Romantic (2018).