It pays to ride with Rick Grimes.

Indeed, Chad L. Coleman and Sonequa Martin-Green, who recurred on Season 3 of The Walking Dead as Tyreese and Sasha, have been upgraded to series regulars for the fourth season of AMC’s zombie-apocalypse smash, TVLine has learned.

Additionally, Emily Kinney — who joined the show in Season 2 as Hershel’s youngest daughter Beth — has also been elevated to a regular.

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Coleman and Martin-Green’s promotions come after Sunday’s Season 3 finale saw their brother-sister duo refuse to help The Governor carry out an attack on Rick’s people, and later help transport Woodbury’s children and elderly to the safety of Rick’s prison encampment.

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Martin-Green is also currently recurring on ABC’s Once Upon a Time as Tamara, who’s just began to stir things up in Storybrooke as the secretly magic-seeking fiancee of Emma’s ex/Henry’s father Neal; the buzz at the time of her casting was that the character would possibly span into Season 3. Her previous credits include The Good Wife and Army Wives.

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Coleman is best known for his role on The Wire, as well as I Hate My Teenage Daughter and It’s Always Sunny in Philadelphia.

Excited about more Tyreese and Sasha in Season 4? Sound off in the comments!