M
- Rory MacDermot
- Aimi MacDonald
- Maria Machado
- John MacGowan
- Oliver MacGreevy
- Fulton Mackay
- Alan MacNaughtan
- Patrick Macnee
- Duncan Macrae
- Peter Mackriel
- Peter Madden
- Victor Maddern
- Philip Madoc
- Patrick Magee
- Frank Maher
- Terry Maidment
- Maxine Mailfort
- Guy Mairesse
- Marne Maitland
- Patrick Malahide
- Andreas Malandrinos
- Kevork Malikyan
- Jane Mallett
- Alec Mango
- Marika Mann
- Hugh Manning
- Ronald Mansell
- Howard Marion-Crawford
- Marcella Markham
- Arnold Marlé
- William Marlowe
- Richard Marner
- Nina Marriott
- Maurice Marsac
- Roy Marsden
- Makki Marseilles
- Gary Marsh
- Keith Marsh
- Reginald Marsh
- Bryan Marshall
- Peggy Marshall
- Neville Marten
- Marina Martin
- Maurice Martin
- Paul Massie
- Alan Mason
- Francis Matthews
- James Maxwell
- Lois Maxwell
- Roger Maxwell
- Sarah Maxwell
- Jack May
- Ronald Mayer
- Ferdy Mayne
- Murray Mayne
- Ray McAnally
- Eric McCaine
- Helena McCarthy
- Neil McCarthy
- John McClaren
- Allan McClelland
- Gillian McCutcheon
- Alex McDonald
- Henry McGee
- Rony McHale
- Ellen McIntosh
- T. P. McKenna
- Michael McKevit
- Dwayne McLean
- Ian McNaughton
- Michael McStay
- Dan Meaden
- Stanley Meadows
- Jill Melford
- Michael Mellinger
- Murray Melvin
- Mary Merrall
- George Merritt
- Jane Merrow
- Ralph Michael
- Frank Middlemass
- Olive Milbourne
- Robert Mill
- Mandy Miller
- Giles Millinaire
- Charles Millot
- Frank Mills
- Bettine Milne
- Billy Milton
- Isa Mirander
- Warren Mitchell
- Geraldine Moffat
- Richard Moffatt
- Zia Mohyeddin
- June Monkhouse
- Jacques Monnet
- Phillip Monnet
- Richard Montez
- Ron Moody
- John Moore
- Stephen Moore
- Donald Morley
- André Morell
- Charles Morgan
- Garfield Morgan
- David Morrell
- Artro Morris
- Aubrey Morris
- Robert Morris
- Wolfe Morris
- Hugh Morton
- Philip Mosca
- Bryan Mosley
- Patrick Mower
- Hugh Moxey
- Michael Moyer
- Daniel Moynihan
- Douglas Muir
- Gillian Muir
- Declan Mulholland
- Caroline Munro
- George Murcell
- Richard Murdoch
- Brian Murphy
- June Murphy
- Elizabeth Murray
- Valentino Musetti
- Jan Muzynski
Read more about this topic: List Of Avengers And New Avengers Cast Members