Peri Gilpin as Roz Doyle in Frasier () Roz Doyle, Frasier’s friend and co-worker at the Seattle radio station KACL, was the resident “maneater” of the show. She made no apologies for her promiscuous nature and was often shown hooking up with various men throughout the show—including Frasier, at one point. Peri Gilpin portrays Roz Doyle, Frasier’s (Kelsey Grammer) independent, fast-talking, savvy radio producer who offers wry outlooks on his callers and his life. Rosalinda "Roz" Doyle is a fictional character on the American television sitcom Frasier. She is played by Peri Gilpin. Roz is the producer of Frasier Crane's Dr. Frasier Crane Show on KACL AM.