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David Tennant

This Broadchurch and Doctor Who fixture performs Crowley, the ne'er-do-well demon in our mismatched duo. And creator Gaiman can recall the exact moment he knew that he'd be casting Tennant in the role. "I just remember the moment where I was halfway through writing Episode 3," the author advised Radio Times at Amazon’s European exhibit. "Suddenly I had an idea for a scene which involves some physical comedy, and I thought, 'I don't know who could pull that off? That's really difficult.' And suddenly I thought: 'David Tennant could pull that off.' And suddenly the way that I wrote Crowley from that moment changed. And I was absolutely certain and determined that David would be my Crowley."

Michael Sheen

The other part in the show's central pair is Masters of Sex alum Michael Sheen, who portrays the angel Aziraphale. Though in keeping with the same Radio Times interview, he to begin with thought he was once being requested to play Crowley. "I sent [Sheen] the scripts and said, 'Can we meet for dinner?'" Gaiman recalled. "We met for dinner, he started saying — 'I've read the scripts, I don't really think that I'd be a good fit for Crowley. I'm not really sure that I can see myself as him.' And I said, 'Yeah, well, I want you as Aziraphale.' He was like: 'What?'"

Jon Hamm

The actor who brought Don Draper to existence has gotten the likelihood to flex his comedic muscular tissues since Mad Men ended. In addition to his function of Richard Wayne Gary Wayne in Unbreakable Kimmy Schmidt, he is gave the impression in Random Acts of Flyness and Wet Hot American Summer: First Day of Camp, amongst others. And whilst Hamm plays the archangel Gabriel in Good Omens, he turns out neither celestial or omniscient.

Sam Taylor Buck

This young actor was once in the past in Medici and The Death and Life of John F. Donovan. Here, Buck plays the young antichrist, Adam, who turns out very reluctant to meet his destiny.

Adria Arjona

Although she starred in the short-lived Emerald City sequence on NBC, Adria Arjona is still a reasonably unknown actor. Here, she plays Anathema Device — a descendant of the witch Agnes Nutter, who wrote Nife and Accurate Prophecies of Agnes Nutter. The above preview for her character teases that no longer most effective is Anathema a Ph.D., bicyclist, and witch, however she's memorized all of her ancestor's prophesies, and is now trying to forestall the end of the global from taking place — "as one does."

Jack Whitehall

Frances McDormand

Who else but two-time Oscar-winner Frances McDormand may play the voice of God in Good Omens? While it's unclear whether or not we're going to see her personality onscreen or now not, her voice will be a welcome inclusion in the show.

Benedict Cumberbatch

He's voiced Smaug in The Hobbit and performed each Sherlock Holmes and Dr. Strange, so naturally, Cumberbatch's subsequent career move is to play Satan himself.

Nick Offerman

Since Parks & Recreation went off the air in 2015, Offerman hasn't made many TV appearances. Fortunately for those folks who ascribe to the Swanson Pyramid of Greatness, alternatively, the Making It co-host plays Good Omens persona Thaddeus Dowling, who is the father of Warlock Dowling — aka the kid originally mistaken to be the antichrist, consistent with TVLine. "There may not be anyone alive who can deadpan a line quite as well as Nick Offerman," Gaiman stated in a statement, in step with the article. "He's a terrific performer, and has to say a lot of things in Good Omens that are humanly impossible to deliver with a straight face. Fortunately, Nick is not entirely human."

Mark Gatiss

Known for enjoying roles like Mycroft Holmes in Sherlock and Lord Marlborough in 2018's vital darling, The Favourite, Gatiss plays a Good Omens character named Mr. Harmony.

Miranda Richardson

Richardson's Good Omens character, Madame Tracy, is described in the above Facebook video as a "kindly courtesan and medium" who is each "tolerant" and "a touchstone for what's good in humanity." The video teases that Madame Tracy will "find herself the first recorded case of Angelic Possession." Previously, Richardson has appeared in the entirety from The Young Victoria to the Harry Potter sequence, during which she performed professional busybody Rita Skeeter.

Michael McKean

Mr. Spinal Tap himself, the eponymous actor has been in everything from Laverne & Shirley to the newer Better Call Saul. Here, McKean performs Shadwell, a character who is the final sergeant in the Witchfinder Army, in line with the above video.

Mireille Enos

Fans of The Killing or Shonda Rhimes's short-lived drama The Catch will probably be happy to see Enos seem as a personality named War.

Josie Lawrence

The Enchanted April actor will seem in a small but important role as Agnes Nutter herself. "I played [Agnes] in the radio version [of Good Omens] and really enjoyed it. That's when I first got to know Neil [Gaiman]," Lawrence instructed Radio Times. "Later, I got a message from him saying, 'I am writing the TV script for Good Omens. I have put that "Agnes Nutter appears no longer in contrast to the actress Josie Lawrence."'

Lawrence was rehearsing the play Mother Courage at the same time, but Gaiman and crew were able to accommodate her schedule. "I were given up very early at some point, were given burnt at the stake and went back to play Mother Courage," Lawrence told the outlet.

Brian Cox

Cox has most recently been in the 2018 HBO show Succession, but the actor has been in everything from Troy to Deadwood. Here, he brings his perpetually stern face to Good Omens, where, naturally, he plays Death itself.

When Good Omens drops on Amazon, fans will be able to watch the cast shine in all of their "very abnormal and beautiful" glory, to quote Gaiman himself.