Also cast in the ABC Studios-produced adaptation of the British series are Caterina Scorsone and Johnny Whitworth.
Additionally, Rachel Boston has landed a role on another CBS drama pilot, Mythological Ex.
Ny-Lon centers on Edie (Cuthbert), a New York literacy teacher/record store clerk, and Michael, a London stock broker, who embark on a cross-continental romance.
Scorsone (1-800-Missing) will play Edie's roommate, a slutty, bohemian rocker. Whitworth (CSI: Miami) will play Edie's rocker ex-boyfriend.
After her breakthrough role on Fox's "24," Cuthbert had focused on movies. Her upcoming features include My Sassy Girl and The Six Lives of Henry Lefay. Cuthbert is repped by Gersh and manager John Carrabino.
Scorsone is repped by Innovative and Open Entertainment. Whitworth is repped by TalentWorks and Artistry Entertainment.
The 20th Century Fox TV-produced Mythological is based on the Israeli series about a woman who, after learning from a psychic that she already has dated the man she's supposed to marry, revisits all her past relationships.