 After the war, Rose lent his distinctive voice to radio programs such as "Dimension X" and "CBS Radio Mystery Theater".He narrated the short film "Harold and the Purple Crayon" in 1959, and provided several of the voices on the 1963 CBS cartoon "Tennessee Tuxedo and His Tales".In 1948, Rose co-founded New Stages, an off-Broadway repertory company, with producer David Heilweil.