Series - The Lone Wolf

When Marcel, a waif, saves master crook Burke from the police, Burke adopts the youngster and teaches him his profession. Years later, Marcel has become a master crook himself, working under the name of Michael Lanyard. His clever work baffles the Paris police, who dub him "The Lone Wolf". The Pack, a gang of criminals, notifies The Wolf that unless he joins them, he is marked for destruction. Lucy, an undercover agent masquerading as a crook to expose the gang, helps The Wolf escape. This inaugurates a series of adventures in which Lucy and The Wolf are pursued by the gang, finally making their escape to England by plane. The Pack follows, only to meet their death in a plane crash. Liberated from his tormentors, The Wolf vows to go straight and marries Lucy.

During World War I, a professional thief known as The Lone Wolf is assigned to steal a cylinder with important information from behind the German lines and bring it to Allied intelligence headquarters. However, German agents set out to stop him, headed by the man who was responsible for the death of the thief's sister.

At a London auction, Princess Sonia bids against her husband, exiled Prince Victor, for a Corot landscape in which incriminating letters Sonia wrote are hidden, but it is bought by Michael Lanyard, who is suspected of being the mysterious, international thief "The Lone Wolf." After Lanyard gives Sonia the letters, she divorces Victor, marries Lanyard, and dies after bearing their daughter Sonia. Years later, Sonia, who thinks she is the daughter of the Princess' maid, is found by Victor, now the leader of an underworld gang of Asian crooks and Bolsheviks. Saying he is her father, Victor brings her to his home, hoping to entice Lanyard to make an appearance. When Sonia discovers the gang's plan to pump poisonous gas into Buckingham Palace and the homes of the wealthy so that Victor would be England's dictator, she tells Roger Karslake, Victor's secretary, whom she loves. Lanyard, who has been posing as Victor's Asian butler, and Karslake, both Scotland Yard agents, capture the gang amid fire and fights.

International crook Michael Lanyard, alias "The Lone Wolf," offers to recover stolen plans for a defense apparatus in exchange for asylum in the United States. He meets Lucy Shannon, a member of the gang, called "The Pack," suspected of having the stolen plans. Lucy assists Lanyard in obtaining the plans and later helps him escape from the other members of the gang. Together, in a daring airplane ride, they deliver the plans. Lanyard learns that Lucy is a Secret Service agent.

A thief operating solo romances a lady at a masked ball and later helps the police by bringing a gang of fellow crooks to justice.

When Eve De Montalais (Lois Wilson) plans to smuggle her jewels into the United States, unknown to her traveling on the same ship are a gang of thieves who plan to steal the jewels. Michael Lanyard (Bert Lytell), alias The Lone Wolf, upsets their scheming and Eve seeks his aid in getting the gems past customs officials. While at a New York nightclub, Eve is informed that Lanyard is The Lone Wolf. She is then duped by a crook who assumes the role of a customs officer and induces her to turn over the jewels, Eve then escapes upon discovering the deception. Lanyard is overpowered by the gang but manages to free himself and declares the jewels to customs officials, who then promptly arrest the thieves. Eve is relieved to find that Lanyard is a Secret Service agent, and the lovers are reunited.

Michael Lanyard, a reformed cracks-man, adopts Adrienne, the daughter of an old friend, and goes to Southampton to attend a party celebrating her engagement to Bobby Crenshaw, the son of a wealthy society couple. The Count and Countess Polinac, international jewel thieves, also attend the party, and Count Polinac forces Lanyard to open the safe containing the jewelry of the guests by threatening to expose Lanyard's criminal past. Lanyard forestalls the count, however, and protects the valuables. The count and countess are arrested, and Michael's secret is kept safe.

Story of a gentlemanly crook who steals a ring to save a queen's honor.

Modest picture centering on a blunderous jewel heist aboard an ocean liner.

Michael Lanyard also known as the Lone Wolf once retired from stealing jewels but relapses back into his old habits when he is tempted by the emerald pendant of beautiful socialite Marcia Stewart. The trouble is that he falls for the belle and he soon gets more interested in getting the girl than the jewels that adorn her. What he wants now is to return the pendant but a rival gang interfere and force him to take part in a big-time caper.

A princess in distress calls upon reformed jewel thief Michael Lanyard to aid her against villainous opposition.

Ex-safecracker Michael Lanyard now works legally, but an old rival frames him for stealing secret documents. He's caught between seductive Karen and loyal girlfriend Val Carson.

Delia Jordan's father is murdered and some very valuable jewelry stolen. She hires reformed thief Michael Lanyard to find killer and jewels, before the police begin to suspect him.

A hardworking secretary for a rich woman finds herself engaged to the woman's son and accused of a murder she didn't commit. Lanyard, the Lone Wolf, and Jamison set out to find the real killer.

After a stamp collection goes missing and a businessman is kidnapped, the Lone Wolf attempts to keep one step ahead of the police in Miami in order to solve the crime and make a profit.

The Lone Wolf Michael Lanyard takes Inspector Crane's challenge that he can't keep out of trouble for 24 hours. No sooner accepted when Lanyard is sucked into a case of murder and kidnapping in which he is sole suspect. Lanyard pursues the perpetrators, a gang of cunning thieves with engraving plates belonging to the U.S. Treasury, even as he is being hunted by police.

Michael Lanyard is hired to safeguard gems intended to finance a foreign nation's battle for liberty.

The Lone Wolf tracks down German spies in London during the German bombing.

The Lone Wolf tries to clear himself of a charge of murdering a blackmailer.

The Lone Wolf undercover to foil the Nazis stealing the plans!

Michael Lanyard finds himself accused of stealing a valuable gem, and must find the real thief in order to clear his name.

A croupier is murdered in a Mexico City gambling casino and the Lone Wolf is suspected. Sharon Montgomery, wife of diamond merchant Charles Montgomery, becomes involved in a jewel heist, in which again the Lone Wolf is a suspect.

Michael Lanyard (Gerald Mohr) is suspected of stealing two fabulous diamonds from a vault in Scotland Yard, where they were being held for safekeeping, but the Yard can't prove he did it. Later, Lanyard is summoned by a member of the nobility to help the latter raise money to pay a blackmailer. Lanyard later finds evidence to reveal the diamonds as having been stolen by a famous stage star.

Lone Wolf (Ron Randell), a retired thief temporarily working for a newspaper, is accused of gem theft.