Eileen Marguerite McNenemy (8 February 1938 – 28 July 2004) professionally known as Margo McLennan, she was also billed in her early acting career as Margo Mayne
Filmography
{|class="wikitable sortable"
! Production
! Year
! Role
! Note
|-
| BBC Sunday Night Theatre || 1954 || Fairy Stardust || TV series
|-
| Motive for Murder || 1957 || Airport hostess || TV series
|-
| The Adventures of Brigadier Wellington-Bull || 1959 || War office secretary || TV series
|-
| Man from Interpol || 1960 || || TV series, 1 episode (billed as Margot Mayne)
|-
| Golden Girl || 1960 || Jean || TV series
|-
| Danger Man || 1960 || Lena || TV series
|-
| Dixon of Dock Green || 1961 || Paddy Cooney || TV series
|-
| Theatre Night || 1961 || Jacqueline Fordyce || TV series
|-
| The Pursuers || 1961 || Rita || TV series
|-
| No Hiding Place || 1963 || Marian || TV series
|-
| Night Train to Surbiton || 1965 || Pamela || TV miniseries
|-
| Spaceflight IC-1: An Adventure in Space || 1965 || Joyce Walcott (billed as Margo Mayne)
|-
| Softly Softly || 1966 || Mona || TV series
|-
| The Troubleshooters || 1966 || Air Hostess || TV series, billed as Margo Mayne
|-
| Ransom for a Pretty Girl || 1966 || Pamela || TV miniseries, billed as Margo Mayne
|-
| River Rivals || 1967 || || TV series, billed as Margo Mayne
|-
| Love Is a Splendid Illusion || 1970 || Mrs. Allan || billed as Margo Mayne
|-
| Bright's Boffins || 1971 || Pirates Mate || TV series, billed as Margo Mayne
|-
| Justice || 1971 || Hilda || TV series, billed as Margo Mayne
|-
| The Getting of Wisdom || 1977 || ?
|-
| Bluey || 1977 || Bette Taylor || TV series
|-
| Prisoner || 1979-1982 || Catherine Roberts / Prison officer Parsons || TV series, billed as Marco McLennen
|-
| All the Rivers Run || 1983 || Aunt Miriam || TV miniseries
|-
| The Henderson Kids || 1985 || Secretary || TV series, billed as Margot McLennan
|-
| A Thousand Skies || 1985 || Society Hostess || TV miniseries
|-
| The More Things Change || 1986 || Barbara
|-
| The Flying Doctors || 1986 || Helen Spencer || TV series
|-
| A Country Practice || 1992|| Mrs. Barker || TV series
|-
| Blue Heelers || 1994 || Jean Richards || TV series
|-
| The Secret Life of Us || 2001 || Stage Manager || TV series
|-
| Prisoner Queen || 2003 || Mrs. Gilding
|}