Pedzisa mutsara unotevera: Nhengo ye Screen Actors Guild, AFTRA, uye Actors 'Equity, Marshall akaonekwa mumabasa makuru pamapurojekiti akati wandei, kusanganisira Captain
Richard Phillips mu"Somali Pirate Takedown: The Real Story" yeDiscovery Channel. Mamwe mabasa anotungamira anosanganisira FDNY Kaputeni Jay Jonas muEmmy Award-akasarudzwa "Countdown to Ground Zero" yeiyo History Channel uye chinodzokororwa chinzvimbo saJohn Zaffis mu "A Haunting" yeDiscovery Channel. Basa repamusoro rinosanganisira zvose zviri zviviri Off-Broadway neBaltimore Hippodrome zvigadzirwa zveKen Davenport's hit interactive comedy "The Awesome 80s Prom" semukuru anodzvinyirira Snelgrove. Marshall ariwo nhengo yeDramatists Guild, uye mutambo wake "41N 50W" wakatanga kuratidzwa muna Gumiguru 2012 kuLondon's St. James Theatre.