[2] His first television credit was in Juliette and Friends as the co-host of the series, he has also appeared in several other television series, including The New Avengers, Alfred Hitchcock Presents, My Secret Identity, The Hitchhiker, E.N.G., Once a Thief, Earth: Final Conflict, Honey, I Shrunk the Kids: The TV Show, Cold Squad, The Famous Jett Jackson, Relic Hunter, A Nero Wolfe Mystery, Odyssey 5, 1-800-Missing, Soul Food, The Newsroom, Darcy's Wild Life and The Jon Dore Television Show.
Lennoux has also appeared in several films through his career including his most notable credits in X-Men and Police Academy.
He has also appeared in Police Academy 3: Back in Training, The Boy in Blue, X-Men: The Last Stand, Harlan County War, Against the Ropes, Mercy, Self Defense and Apocalypse IV: Judgment.
However, he was later cut from the final film due to test audiences saying his character was too scary for younger viewers.
[citation needed] His final acting credit was in the 2009 film, Deadliest Sea, in which he played a pilot of an airplane.