With Halloween right around the corner, I've picked five of the most frightening episodes of Suspense for bonus shows that are sure to get you in the trick-or-treating mood. Up first is Orson Welles in Lucille Fletcher's terrifying tale of horror on the highway - "The Hitchhiker" (originally aired on CBS on September 2, 1942).

Tony-winning and Oscar-nominated actress Nancy Kelly returns in two more old time radio thrillers. Best known as the mother of The Bad Seed on stage and screen, Kelly lends her considerable talents and versatility to shows that find her playing a woman plotting to run off with her lover and another woman terrified by a nightmarish omen. We'll hear "The Taming of the Beast," co-starring Helmut Dantine (originally aired on CBS on March 29, 1945) and "A Week Ago Wednesday" (originally aired on CBS on November 29, 1945).

Frequently cast as characters from the Emerald Isle, Pat O'Brien was known as "Hollywood's Irishman in residence." Best known as the street tough turned priest in Angels with Dirty Faces and as Knute Rockne with his famous "Gipper" speech, O'Brien made two visits to Suspense where he played a pair of cops. First, he tells the story of a cataleptic's date with the embalmer's knife in "Dead Ernest" (originally aired on CBS on March 24, 1949). Then, O'Brien is on the hunt for a hit and run killer, but the case may bring him right to his own home in "True Report" (originally aired on CBS on August 31, 1950).

In his final visit to Suspense, Eddie Bracken sheds his lovable and dopey screen persona honed in comedies from Preston Sturges. We'll hear him in "Nightmare," a sixty-minute story from Cornell Woolrich (originally aired on CBS on March 13, 1948). We'll also hear Bracken in the first episode of his radio sitcom The Eddie Bracken Show, where he plays a version of himself closer to his portrayals in The Miracle at Morgan Creek and Hail the Conquering Hero (originally aired on NBC on January 28, 1945).

Character actor Everett Sloane broke out in radio and onstage before he moved to movies like Citizen Kane and The Lady from Shanghai. His voice was perfect for radio, with a patrician air that could give a character sophistication or menace. We'll hear him as a man plotting the murder of his business partner in "Alibi" (originally aired on CBS on July 7, 1957). Then, he's a safari guide facing off against a dangerous lion in "Game Hunt" (originally aired on CBS on March 16, 1958).

For his final Suspense appearance, Edmond O'Brien starred in a grim tale of the frontier pulled from the history books. We'll hear him in "Ordeal in Donner Pass" (originally aired on November 2, 1953). Plus, he stars as "America's fabulous freelance insurance investigator" Johnny Dollar in "The Queen Anne Pistols Matter" (originally aired on CBS on November 4, 1950).

Debonair British star David Niven lent a touch of class and charm to his roles during his long Hollywood career. Whether he was racing the globe in Around the World in 80 Days, carrying out a daring commando raid in The Guns of Navarone, or vexing Peter Sellers in the Pink Panther films, Niven was always poised, polished, and highly entertaining. We'll hear him as a con artist plotting an insurance swindle in "Grand Theft" (originally aired on CBS on April 5, 1954). Plus, we'll hear him visit Bob Hope in Reno on The Pepsodent Show (originally aired on NBC on March 5, 1946).

Best known for his physical presence in epics like The Robe and Samson and Delilah, Victor Mature starred on stage, screen, and television in musicals, westerns, and noir dramas. We'll hear him in a pair of thrillers, beginning with Cornell Woolrich's "Momentum" (originally aired on CBS on October 27, 1949). Then, he's a hitman on assignment in "Blackjack to Kill" (originally aired on CBS on December 10, 1951).

For our 200th episode, I'm sharing five of my favorite "tales well calculated to keep you in Suspense." We'll hear Dana Andrews in Ray Bradbury's "The Crowd" (originally aired on CBS on September 21, 1950); "Murder in G-Flat" starring Jack Benny (originally aired on CBS on April 5, 1951); the Cold War spy drama "The Case for Dr. Singer" (originally aired on CBS on June 28, 1951); "first lady of Suspense" Agnes Moorehead in "The Evil of Adelaide Winters" (originally aired on CBS on September 10, 1951); and finally an encore of a classic Suspense show "The Last Letter of Dr. Bronson" (originally aired on CBS on November 4, 1954).

We're celebrating the birthday of Alfred Hitchcock with one of the big screen master of suspense's films adapted for radio. In this Screen Directors' Playhouse production, Mercedes McCambridge and Joseph Cotten star in "Spellbound," Hitchcock's thriller about psychoanalysis and murder (originally aired on NBC on January 25, 1951).