[7] The title character was Martha Ellis "Marty" Bryant, "a respected attorney who has a reputation for integrity"[8] and "who champions causes of the underdog and unjustly accused".

[8] Ron Lackmann wrote in his book Mercedes McCambridge: A Biography and Career Record that Barrett "spent more time solving crimes with her boyfriend ... than she did in the courtroom".

[8] Supporting actors in the program included Paul Fries, Bill Johnston, Kay Wiley,[7] Harry Bartell, Dallas McKennon, Irene Tedrow, and Parley Baer.

An article in the magazine's March 28, 1953, issue said that Don Sharpe was in New York "to begin sales efforts on his newest film show, Defense Attorney, starring Mercedes McCambridge, and based on his former radio series of the same name.

[13] McCambridge's work on Defense Attorney led to her receiving honorary membership in the Los Angeles Women's Bar Association and the Favorite Dramatic Actress Award from Radio-TV Mirror magazine.