recurring character
character, usually in a prime time TV series, who often and frequently appears from time to time during the series' run
en-GB/ɹɪˈkɜːɹɪŋ ˈkæɹəktə/
en-US/ɹiˈkɝɪŋ ˈkɛɹɪktɚ/
character, usually in a prime time TV series, who often and frequently appears from time to time during the series' run