Our star this week was called "the world's greatest living radio actress" by Orson Welles.  She's Academy Award winner Mercedes McCambridge, and we'll hear her as Martha Ellis Bryant on Defense Attorney.  On the podcast this week, we'll hear her fight to clear her wrongfully accused clients in "Client Joshua Masters," first broadcast on ABC on April 10, 1952.

The story you're about to hear is true.  It's Jack Webb's legendary police procedural Dragnet, bringing actual Los Angeles Police Department cases to radio.  Webb is Sgt. Joe Friday, with Barton Yarborough as Sgt. Ben Romero in "The Big Late Script," originally aired on NBC on July 26, 1951.

William Gargan played several detectives on radio and television, and he could draw from his real-life experience as a private eye for his characters.  This week, we'll hear Gargan star as Barrie Craig, Confidential Investigator in "Blood Money," first broadcast on NBC on August 2, 1954.

Chester Morris reprises his screen role as Boston Blackie, reformed safe cracker turned sleuth, who operates outside of the law but always to help the innocent.  We'll hear Blackie in "Alice Manletter - Dead or Alive," originally broadcast on NBC on August 4, 1944.

Stop the presses!  This week, we'll hear Staats Cotsworth as Casey, Crime Photographer - ace cameraman and amateur sleuth.  Listen as Casey fights crime and makes the late edition in "The Chivalrous Gunman," originally broadcast on CBS on August 14, 1947.

Match wits with master detective Ellery Queen and see if you can solve the mystery before he reveals the solution.  We're breaking the fourth wall this week as you (and celebrity guest detective Peggy Lee!) get a chance to nab the culprit in "One Diamond," starring Howard Culver as Ellery Queen, first broadcast on ABC on May 6, 1948.

The Line-Up, one of radio's finest police procedurals, takes listeners behind the scenes of the San Francisco Police Department as its determined detectives track down criminals and close cases.  Bill Johnstone stars as Lt. Ben Guthrie, with Jack Moyles as Sgt. Pete Carger in "Singer's Husband Killed," first broadcast on CBS on July 1, 1952.

Radio detectives don't come more hard-boiled than Pat Novak For Hire.  Jack Webb stars in one of his first big radio hits as a character who is anything but Joe Friday.  We'll hear "Sam Tolliver," originally broadcast on ABC on April 23, 1949.

Ol' Blue Eyes is back!  Frank Sinatra stars in Rocky Fortune, as a "footloose and fancy free young gentleman" whose odd jobs always seem to lead to trouble.  The Chairman of the Board headlines "Murder on the Aisle," originally broadcast on NBC on November 24, 1953.

Before he itemized an expense account as Johnny Dollar, Bob Bailey solved radio mysteries in Let George Do It.  Freelance sleuth George Valentine finds his clients through a newspaper ad, offering to take on the jobs that are too dangerous for regular folks.  We'll listen as somebody new writes him about a gig in "Cry Murder," first broadcast on Mutual on July 19, 1948.

Detective Danny Clover patrols the Great White Way in Broadway is My Beat, one of radio's greatest police procedurals and one of the last great dramas of the Golden Age of Radio.  Larry Thor is the poetic policeman in "The Case of Charles Crandall," first aired on CBS on May 12, 1951.

In honor of Raymond Chandler's birthday, we'll hear an episode featuring his legendary private eye, Philip Marlowe.  Van Heflin stars as Marlowe in an adaptation of Chandler's short story "Red Wind," originally broadcast on The Adventures of Philip Marlowe on NBC on June 17, 1947.

Before he crooned as Richard Diamond, Dick Powell cracked cases as private investigator Richard Rogue on Rogue's Gallery.  We'll hear Powell in his first radio detective series with "Where There's a Will, There's a Murder," first broadcast on NBC on July 14, 1946.

We welcome our first female detective to the show - San Francisco-based private eye Candy Matson!  Natalie Masters stars as this smart, sassy sleuth - perhaps the most famous lady detective in old time radio - in "The Egyptian Amulet," first broadcast on NBC on September 12, 1950.

J. Scott Smart stars as Brad Runyon, aka The Fat Man - "a fast-moving criminologist who tips the scales at 237 pounds!"  This original radio creation of Dashiell Hammett was one of radio's most popular shows, and Runyon is a detective who combines Nero Wolfe's brains and size with Sam Spade's fists.  We'll hear "The Black Angel," first broadcast on ABC on July 8, 1946.

It's off to New Orleans for an adventure of one of radio's hardest-boiled private eyes - Brett Halliday's two-fisted red-head Michael Shayne.  Jeff Chandler stars in The New Adventures of Michael Shayne, and we'll hear "The Case of the Model Murder," a syndicated episode produced in 1948.

This week, we'll walk the streets of Chicago after dark, tagging along with Frank Lovejoy on Night Beat.  Lovejoy stars as reporter Randy Stone, who searches for human interest stories in the darkness and often finds trouble.  We'll hear "The Football Player and the Syndicate," first broadcast on NBC on June 12, 1950.

Alan Ladd stars as mystery writer (and amateur sleuth) Dan Holiday in Box 13.  Join him as he seeks inspiration for his novels, and usually gets more than he bargained for in the process.  Today, we'll hear "Speed to Burn," an episode of this syndicated series from 1948.

Superman flies back to the big screen this week, and we're celebrating with a bonus episode of "Down These Mean Streets."  We'll hear the Man of Steel, alongside his private eye pal Candy Myers, in "Dead Men Tell No Tales," first aired on ABC on January 21, 1950.

It's back to Baker Street for an adventure of the world's most famous detective - Sherlock Holmes!  John Stanley is Holmes and, as Dr. Watson, Alfred Shirley narrates "The Cadaver in the Roman Toga," first broadcast on Mutual on November 9, 1947.

Before Roger Moore and Val Kilmer wore halos, Vincent Price patrolled the airwaves as Simon Templar, The Saint.  Today we'll hear this debonair detective in "Baseball Murder," first broadcast on NBC on September 3, 1950.

As Johnny Dollar, "America's fabulous freelance insurance investigator," Bob Bailey itemizes another expense account and sums up "The Big Scoop Matter," first broadcast on CBS on November 11, 1956.

Nero Wolfe is on the case...just don't ask him to leave his house!  Sydney Greensteet is Wolfe and Lamont Johnson is Archie Goodwin in "The Case of the Careworn Cuff," first broadcast on NBC on October 27, 1950.

Sing along with Dick Powell as Richard Diamond, Private Detective in "Convict Louis Spence Escapes," first broadcast on NBC on March 5, 1950.