Only Murders in the Building season 4 was the ten-episode Hulu season that ran from August 27 to October 29, 2024.[1]

The Arconia Zodiac Chart
The 13 cast members with confirmed birthdays cover nine of the Chinese zodiac’s 12 animals. Three are Roosters, while Dogs and Monkeys have two representatives apiece. The remaining six signs each appear once. The Five Element labels below are annual designations from the sexagenary cycle, such as Wood Rooster or Metal Tiger.[2]
| Zodiac group | Actor and verified birth date | Five Element year | Season 4 character or function | Playful role fit |
|---|---|---|---|---|
| Rooster | Steve Martin — August 14, 1945 [3] | Wood Rooster | Charles-Haden Savage | Watchful, exacting energy suits the investigator most likely to worry a detail until it talks. |
| Rooster | Zach Galifianakis — October 1, 1969 [4] | Earth Rooster | A heightened version of himself, cast as Oliver | Rooster showmanship meets the unenviable assignment of interpreting Oliver for Oliver. |
| Rooster | Paul Rudd — April 6, 1969 [5] | Earth Rooster | Glenn Stubbins | The sign’s theatrical confidence gets a rough-and-tumble stunt-performer makeover. |
| Dog | Eugene Levy — December 17, 1946 [6] | Fire Dog | A version of himself, cast as Charles | The dependable Dog becomes Charles’s attentive screen counterpart—with rather different eyebrows. |
| Dog | Melissa McCarthy — August 26, 1970 [7] | Metal Dog | Doreen, Charles’s sister | Protective loyalty expands to fill the house, especially when Oliver enters it. |
| Monkey | Selena Gomez — July 22, 1992 [8] | Water Monkey | Mabel Mora | Adaptive, observant energy fits the trio member who can change tactics without matching Oliver’s volume. |
| Monkey | Richard Kind — November 22, 1956 [9] | Fire Monkey | Vince Fish | A flexible sign is an amusing match for a Westie whose neighborly oddity resists a simple reading. |
| Tiger | Martin Short — March 26, 1950 [10] | Metal Tiger | Oliver Putnam | Bold forward motion, theatrical appetite, minimal interest in entering a room quietly. |
| Ox | Meryl Streep — June 22, 1949 [11] | Earth Ox | Loretta Durkin | Steadiness gives Loretta a useful center while Oliver generates weather around her. |
| Rabbit | Eva Longoria — March 15, 1975 [12] | Wood Rabbit | A version of herself, cast as Mabel | Polished social agility makes her a slyly disruptive alternative interpretation of Mabel. |
| Horse | Kumail Nanjiani — May 2, 1978 [13] | Earth Horse | Rudy Thurber | Restless Horse energy is filtered through a neighbor committed to an oddly permanent festive identity. |
| Rat | Jane Lynch — July 14, 1960 [14] | Metal Rat | Sazz Pataki | Quick perception suits a stunt double whose presence keeps guiding the investigation after her death. |
| Dragon | Molly Shannon — September 16, 1964 [15] | Wood Dragon | Bev Melon | Commanding Dragon scale feels right for a film executive who arrives carrying Hollywood-sized momentum. |
This chart assigns animals by the Chinese New Year boundary. Some astrology traditions instead change the year at the Beginning of Spring, but that disagreement does not alter these 13 results because none of the confirmed birthdays falls in January or early February.[16] The annual Five Element label should not be confused with a sign’s fixed elemental association: Steve Martin’s birth year, for example, is Wood Rooster even though Rooster is commonly assigned Metal as its fixed element.[2]
Two season 4 performers remain outside the confirmed count. No public birth date is available for Jin Ha, who plays Marshall P. Pope and Rex Bailey, so his zodiac animal cannot be determined from the supplied biographical record.[17] Michael Cyril Creighton’s public birth year is reported as 1978 or 1979 rather than as a complete date; that leaves the Howard Morris actor unresolved as Horse or Goat.[18] Turning either uncertainty into a definite sign would make the directory tidier and less trustworthy.
The central trio has one proper zodiac clash
Traditional compatibility grids distinguish stronger alignments from direct oppositions. Three-Harmony groups are four trines of animals said to cooperate particularly well, while the six opposing pairs are known as Six-Conflict combinations. These are broad cultural classifications, not measurements of how particular people will behave.[2][19]

Oliver’s Tiger and Mabel’s Monkey form the trio’s textbook Six-Conflict pair.[19] As a description of their comic rhythm, it is almost suspiciously convenient. Oliver surges toward a theory, production, disguise, or emotional declaration; Mabel observes, adapts, and applies the brake when his enthusiasm begins outrunning the evidence. Their disagreement rarely stops the investigation. It gives the investigation its tempo.
That resemblance is entertaining because the performances already establish it. The zodiac did not cause Oliver to be Oliver, nor does Martin Short’s Tiger year prove anything about his private personality. It simply supplies an old compatibility label that happens to sit neatly over a familiar on-screen contrast.
Charles, the Wood Rooster, occupies a less dramatic position between them. Rooster–Tiger and Rooster–Monkey both fall into the grid’s friendly-average territory rather than its top trines or direct conflicts.[19] That makes a pleasing ensemble reading: Charles can join Oliver’s theatrical momentum or Mabel’s sharper skepticism, yet neither partnership is presented as frictionless. The trio contains one formal clash and two workable, middling connections—which sounds much more like a murder-podcast team than three predestined soulmates.
Doreen and Oliver turn a best match into a punch line

Melissa McCarthy’s Doreen is a Metal Dog; Martin Short’s Oliver is a Metal Tiger. Dog and Tiger belong to the same Three-Harmony trine, traditionally making them one of the stronger compatibility combinations.[19] Season 4 immediately finds the comic problem with that apparent harmony: Doreen is much more interested in Oliver than Oliver is prepared to reciprocate.
The trine works here as misdirection rather than romance prophecy. Doreen’s forceful hospitality, protectiveness, and attraction create a strange kind of instant alliance; Oliver’s discomfort turns it lopsided. Loretta’s Earth Ox also matters to that triangle, but an Ox–Goat conflict would require a confirmed Goat—and Michael Cyril Creighton’s uncertain year is no excuse to manufacture one. For Oliver and Loretta themselves, Tiger–Ox does not carry one of the grid’s headline trine or opposition labels.
A compact season 4 compatibility scorecard
The rest of the grid is best used selectively. These pairings matter because season 4 places the performers in the same relationship, production, or line of suspicion—not because every cast member needs a zodiac partner.
| Season 4 connection | Signs | Traditional category | What the label adds |
|---|---|---|---|
| Oliver and Mabel | Tiger–Monkey | Six-Conflict | A neat comic gloss on their push-and-pull working style. |
| Doreen and Oliver | Dog–Tiger | Three-Harmony | A best-match trine turned into conspicuously unrequited energy. |
| Charles and Oliver | Rooster–Tiger | Friendly-average | Cooperation with enough difference to keep the double act active. |
| Charles and Mabel | Rooster–Monkey | Friendly-average | A workable alliance rather than a magically effortless match. |
| Charles and Sazz | Rooster–Rat | Friendly-average | The category suits a long, complicated professional bond better than a grand destiny claim. |
| Steve Martin and Eugene Levy as actor and screen counterpart | Rooster–Dog | Six-Damage | A mild harm classification adds an ironic edge to Levy’s close study of Charles. |
| Eva Longoria and Zach Galifianakis in the film adaptation ensemble | Rabbit–Rooster | Six-Conflict | The Hollywood versions of the trio contain their own formal opposition. |
| Bev Melon and Eugene Levy within the movie production | Dragon–Dog | Six-Conflict | Executive-scale urgency meets the steadier energy of the performer hired to play Charles. |
| Sazz and Rudy along the Westies investigation path | Rat–Horse | Six-Conflict | Useful as a suspicion-board coincidence, not evidence against anyone. |
Horse–Dog is another Three-Harmony combination in the traditional grid, but Kumail Nanjiani’s Rudy and the season’s Dog actors do not form a relationship substantial enough to deserve an elaborate reading.[19] A compatibility table becomes less revealing when every shared scene or production credit is inflated into cosmic significance.
For another celebrity pairing viewed through the same deliberately light lens, the Dragon–Dragon dynamic in Rihanna and A$AP Rocky’s zodiac compatibility offers a useful comparison. Here, however, the pleasure is in the breadth of the ensemble: nine animals among 13 confirmed birthdays, with enough clashes, trines, and ordinary middle-ground matches to resemble a functioning comedy cast. The zodiac chart can illuminate the joke, but the actors and writers made it.
References
- Only Murders in the Building season 4 - Wikipedia — Wikipedia.
- Chinese zodiac - Wikipedia — Wikipedia.
- Steve Martin — Wikipedia.
- Zach Galifianakis — Wikipedia.
- Paul Rudd — Wikipedia.
- Eugene Levy — Wikipedia.
- Melissa McCarthy — Wikipedia.
- Selena Gomez — Wikipedia.
- Richard Kind — Wikipedia.
- Martin Short — Wikipedia.
- Meryl Streep — Wikipedia.
- Eva Longoria — Wikipedia.
- Kumail Nanjiani — Wikipedia.
- Jane Lynch — Wikipedia.
- Molly Shannon — Wikipedia.
- Chinese Astrology: Zodiac, Calendar, Feng Shui, Iching, 5 Elements — TravelChinaGuide.
- Jin Ha — Wikipedia.
- Michael Cyril Creighton — Wikipedia.
- Chinese Zodiac Compatibility: Your Best (and Worst) Match — ChineseNewYear.net.