Alexander "Zander" Sutton Lehmann (born July 13, 1987)[1] is the creator, writer, and producer of the TV show Casual.

[6][3] It was in college where Lehmann first took an interest in screenwriting, taking a class on the subject with the sole purpose of keeping his health insurance.

[12] The show is co-produced with Helen Estabrook, Liz Tigelaar, and Jason Reitman – who directed the pilot as well as other episodes.

[14] Lehmann said that Casual was inspired by his relationship with his sister, with whom he lived with for three years during their parents' divorce, and who started dating his best friend.

Directors include Lake Bell, Carrie Brownstein, Marielle Heller, Karyn Kusama, Gillian Robespierre, and Lynn Shelton.