Wynn is co-author (with Barry Morse and Robert E. Wood) of the books Merely Players - The Scripts (2003), and Pulling Faces, Making Noises: A Life on Stage, Screen and Radio (2004), the autobiography of actor Barry Morse.
wˈɪn ɪz kˈoʊˈɔːθɚ wɪð bˈæɹi mˈɔːɹs ænd ɹˈɑːbɚt ˈiː. wˈʊd ʌvðə bˈʊks mˈɪɹli plˈeɪɚz ðə skɹˈɪpts tˈuː θˈaʊzənd θɹˈiː, ænd pˈʊlɪŋ fˈeɪsᵻz, mˌeɪkɪŋ nˈɔɪzᵻz: ɐ lˈaɪf ˌɔn stˈeɪdʒ, skɹˈiːn ænd ɹˈeɪdɪˌoʊ tˈuː θˈaʊzənd fˈoːɹ, ðɪ ˌɔːɾoʊbaɪˈɑːɡɹəfi ʌv ˈæktɚ bˈæɹi mˈɔːɹs.