On November 12, 2019, Variety reported that McCormack was cast in an unknown role in the series. McCormack's involvement in the series was confirmed on January 22, 2020, when McCormack was revealed to be at an episode table read.
McCormack's casting as Aram was officially announced on July 22, 2020.
- at the Internet Movie Database
- on Twitter
- Independent Talent, agency: Daryl McCormack
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- Variety, TV News Roundup: T.R. Knight Joins HBO Max’s ‘The Flight Attendant’ by LaTesha Harris. November 12, 2019. "McCormack is said to be appearing in three episodes of the show in an undisclosed role."
- Official Twitter: Table read January 22, 2020.
- Twitter: Please welcome the Tuatha'an, our newest cast members to the #WOTonPrime family: Daryl McCormack @DarylMcCormack as Aram July 22, 2020.