She alternates in the role of Director.

She was played in her infant stage by twins Kristen and Kelsey Dohring (who alternated in the role).

Bae Soo-bin and musical theatre actor Kim Do-hyun alternated in the lead role of Gwanghae.

Yamashiro and Fusō alternated in the role of division flagship under Vice Admiral Shōji Nishimura.

In the 2010 production, Olivia Stupka and Alisa Berindea alternated in the role of Dorothy.

They alternated in the role until May 1987 when Leah died from cot death, but their parents agreed that Lynsay could continue playing Sarah.

(She alternates in the role with Wonjung Kim, who, when heard last summer, also had a strong, beautiful voice.)

Perry's identical twin brother, Eugene, alternated with him in the role.

Johnson and Marston alternated in the role of Michael as Al's spirit sometimes "took control" of Michael.