| Actor meets actor | 17 |
| Actor Meeker | 12 |
| Actor McShane or McKellen | 25 |
| Actor McShane of "Hercules" | 37 |
| Actor McShane of "Deadwood" | 37 |
| Actor McShane | 13 |
| Actor McQueen | 13 |
| Actor McKern ... or Little Rock lawyer Monterrey | 48 |
| Actor McKellen or author Fleming | 32 |
| Actor McKellen of "X-Men" | 35 |
| Actor McKellen of "The Da Vinci Code" | 47 |
| Actor McKellen and others | 25 |
| Actor McKellen | 14 |
| Actor McKellan | 14 |
| Actor McGregor | 14 |
| Actor McGavin's namesakes | 29 |
| Actor McGavin | 13 |
| Actor McDowell | 14 |
| Actor McDowall | 14 |
| Actor McDiarmid | 15 |
| Actor McDermott, also known as Mr. Tori Spelling | 48 |
| Actor McCowen | 13 |
| Actor McConaughey | 17 |
| Actor McCarthy | 14 |
| Actor McBride of "The Nine" | 37 |
| Actor McBride of "Pushing Daisies" | 44 |
| Actor McBride | 13 |
| Actor Maynard | 13 |
| Actor Maximilian | 16 |
| Actor Max _____ Sydow | 21 |
| Actor Max ___ Sydow | 19 |
| Actor Max ___ | 13 |
| Actor Max __ Sydow | 18 |
| Actor Max von ___ | 17 |
| Actor Max von __ | 16 |
| Actor Max von -- | 16 |
| Actor Max of "The Beverly Hillbillies" | 48 |
| Actor Max -- Sydow | 18 |
| Actor Max | 9 |
| Actor Maurice | 13 |
| Actor Matthau | 13 |
| Actor Matt | 10 |
| Actor Matheson or Allen | 23 |
| Actor Matheson | 14 |
| Actor Marvin | 12 |
| Actor Martin of 1960s-'70s TV | 33 |
| Actor Martin of "The Wild Wild West" | 46 |
| Actor Martin of "Law & Order" | 43 |
| Actor Martin of "Hill Street Blues" | 45 |
| Actor Martin of "Adam-12" | 35 |
| Actor Martin from N.Y.C. | 24 |
| Actor Martin | 12 |
| Actor married to Hagen and Clooney | 34 |
| Actor married to Geraldine Page | 31 |
| Actor Marlon | 12 |
| Actor Markham | 13 |
| Actor Mark ___-Baker | 20 |
| Actor Mark ___ Baker | 20 |
| Actor Mark of "The Full Monty" | 40 |
| Actor Mario Van -- | 18 |
| Actor Marienthal | 16 |
| Actor Margolin, to friends | 26 |
| Actor Mantegna | 14 |
| Actor Mandel | 12 |
| Actor Malden | 12 |
| Actor Malcolm-___ Warner | 24 |
| Actor Malcolm-__ Warner | 23 |
| Actor Malcolm- -- Warner | 24 |
| Actor Majors | 12 |
| Actor Mahershalalhashbaz ___ of "The Curious Case of Benjamin Button" | 79 |
| Actor Maguire, formally | 23 |
| Actor Maguire | 13 |
| Actor MacLeod of old TV | 23 |
| Actor MacLeod | 13 |
| Actor MacLachlan of "Blue Velvet" | 43 |
| Actor MacLachlan | 16 |
| Actor MacKenzie ___ | 19 |
| Actor MacDonald ___ | 19 |
| Actor M. ___ Walsh | 18 |
| Actor M. --- Walsh | 18 |
| Actor M. -- Walsh | 17 |
| Actor Lyle of 1950's TV's "The Bob Cummings Show" | 67 |
| Actor Lye of "You Can't Do That on Television" | 60 |
| Actor Luther | 12 |
| Actor Lundgren of "Rocky IV" | 38 |
| Actor Lundgren | 14 |
| Actor Luke of "Kung Fu" | 33 |
| Actor Luke | 10 |
| Actor Lukas of "Witness" and "Mars Attacks!" | 64 |
| Actor Lukas of "Witness" | 34 |
| Actor Lugosi | 12 |
| Actor Louis who starred in "Julius Caesar," 1953 | 58 |
| Actor Louis | 11 |
| Actor Lorre | 11 |
| Actor Lorenzo from L.A. | 23 |
| Actor Lorenzo | 13 |
| Actor Lon of chillers | 21 |
| Actor Lon | 9 |
| Actor Lloyd: 1902-85 | 20 |
| Actor Lloyd ___ | 15 |