Rebecca Mader
Michael Madsen
Sean Maguire
Robert Maillet
Lee Majors
Michael Malarkey
Costas Mandylor
Tyler Mane
Joseph Marcell
Ross Marquand
James Marsters
Sonequa Martin-Green
Charles Martinet
Andrew Matarazzo
Gaten Matarazzo
Peter Mayhew
Melissa McBride
Terri McCin
Chris McCorkindale
Sylvester McCoy
Josh McDermitt
Ian McDiarmid
Ian McElhinney
Paul McGann
Zach McGowan
Ben McKenzie
Kevin McNally
Katherine McNamara
Steven R. McQueen
Jason Mewes
Dina Meyer
Courtney Anne Mitchell
Hugh Mitchell
RJ Mitte
Pancho Moler
Cinzia Monreale
Tony Moore
Tony Moran
Bob Morley
David Morrissey
Jennifer Morrison
Alváro Morte
Ronn Moss
Lochlyn Munro
Ashleigh Murray
Devon Murray
Kristian Nairn
Daniel Naprous
David Naughton
Barbara Nedeljáková
Corin Nemec
Franco Nero
George Newbern
Toy Newkirk
Thomas Ian Nicholas
Greg Nicotero
Daniel Noah
Oscar Nuñez
Colin O'Donoghue
Elizabeth Olsen
Jerry Only (and The Misfits)
Chris Owen