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Diana
Genre	Sitcom
Created by	Leonard B. Stern Gordon Farr Arnold Kane
Written by	Leonard B. Stern Stanley Charles Stan Cutler
Starring	Diana Rigg Richard B. Shull Barbara Barrie Carole Androsky Richard Mulligan Robert Moore
Theme music composer	Jerry Fielding
Composer	Jerry Fielding
Country of origin	United States
Original language	English
No. of seasons	1
No. of episodes	15
Production
Executive producers	Harry R. Sherman Leonard B. Stern
Producers	Leonard B. Stern Gordon Farr Arnold Kane
Camera setup	Multi-camera
Running time	25 mins.
Production company	Talent Associates-Norton Simon, Inc.
Original release
Network	NBC
Release	September 10, 1973 (1973-09-10) – January 7, 1974 (1974-01-07)

Diana is an American sitcom aired on NBC during the 1973–74 television season, created by Leonard Stern, which ran from September 10, 1973, to January 7, 1974. The series was filmed in front of a live studio audience at CBS Studio Center in Los Angeles.

The series starred Diana Rigg in her first American television series, as Diana Smythe, a recently divorced British fashion designer who moves to the States in the hopes of becoming more noticed in the fashion world by relocating to New York City. As the series begins she has landed a high-profile job as a fashion coordinator at Buckley's Department Store. Since her city-dwelling brother is out of the country indefinitely she moves into his apartment, which to her bemusement becomes the site of many unannounced visits by her brother’s numerous girlfriends.

Each episode finds Diana trying to adjust to American life with help from her next door neighbor Holly Green (Carole Androsky), copywriter Howard Tollbrook (Richard B. Shull), window decorator Marshall Tyler (Robert Moore) and new pal Jeff Harmon (Richard Mulligan), while dealing with her boss Norman Brodnik (David Sheiner) and his wife Norma (Barbara Barrie).

Prior to being picked up by NBC, the series had the working title The Diana Rigg Show with Rigg playing Elyse Smythe. Also in the pilot was Nanette Fabray as Norma Brodnik, but after it was changed to Diana, Fabray was replaced with Barrie in the Norma role.

NBC was hoping to capitalize on the success of single and independent women sitcoms by using Rigg, given her credentials in film and TV, with this attempt to copy The Mary Tyler Moore Show. However, it wound up trailing both Gunsmoke and The Rookies on Monday nights, eventually leading to its cancellation on January 7, 1974.

• Diana at IMDb