Stand, was produced at the National Arts Center in Ottawa in 1982. In 1985, he wrote and directed the play Significant Others at the Beverly Hills Playhouse in Los Angeles. In 1989, he co-starred with Gwendolyn Humble in his play, Going On, directed by Edward Hardwicke at the Edinburgh Festival Fringe. In 1990, Dennis recreated the role of Alfred in Going On opposite Maria O'Brien at the Callboard Theatre in Los Angeles, and in 1997 wrote and starred in the play SoHo Duo, directed by Kenneth Welsh at the West Bank Theatre in New York. In 2003, Dennis created the role of Fred Ross in the Ed Begley, Jr. musical Cesar and Ruben at the El Portal Theater in Los Angeles, and in 2005, played George Sanders in his play High Class Heel, at The National Arts Club in New York. In 2011, he returned to the boards playing Gregory Wagner for the Open Fist Theater Company in their production of Room Service by Murray and Boretz, which the Los Angeles Times described as a "superb revival". Later that year he played Carlton Fitzgerald opposite Catherine Hicks in Moss Hart's Light Up the Sky at the JRTN in Las Vegas. In 2016, Dennis revised his play Altman's Last Stand. It was directed by Charles Haid and produced by Racquel Lehrman at the Zephyr Theater in Los Angeles with Michael Laskin as Franz Altman. The production received great critical acclaim. In 2022, Dennis rewrote Altman's Last Stand and retitled it King Solomon's Treasure. He also added a second character, Miss Carmichael, a writer for People Magazine. Dennis played the role of Franz Altman and Stevie Jean Placek played Miss Carmichael.The play was produced by Ulrika Vingsbo and presented at the Whitefire Theatre in Sharman Oaks, California. The play was filmed during its six week run. The film had its world premiere later in the year at the Studio City Film Festival and Dennis won the award for Best Actor in a Feature Film. Plays 2022 King Solomon's Treasure (author/actor) 2016 Altman's Last Stand (author) 2005, High Class Heel (author/actor) 1997, SoHo Duo (author/actor) 1989, Going On (author/actor) 1985, Significant Others (author/director) 1982, Altman's Last Stand (author) 1974, Crazy Joan (book/lyrics) 1968, Everyone Except Mr. Fontana (author/actor) Journalism Author George Anthony wrote that Charles Dennis "was a talented young hotshot who wanted to do it all: write, produce, direct, star", and that