His co-workers are also on the fringes of show business: plucky comedian Casey (), dippy ex-actor Constance (Lynch), embittered sci-fi writer Roman (Martin Starr) and himbo-ish actor-musician Kyle (Ryan Hansen).

Source: https://www.independent.co.uk/arts-entertainment/tv/features/party-down-season-3-adam-scott-b2283727.html

She doesn’t have a Broadway-caliber voice but it’s good enough, and her number is legitimately terrific, with Ashley Park (as a dippy Gen-Z influencer/actress) providing gorgeous harmony.

Source: https://www.chicagotribune.com/entertainment/what-to-watch/ct-ent-review-only-murders-in-the-building-season-3-20230809-itad3hkqdjaypaydztgxuoa4we-story.html