Disguised as a rich Texas oil man, Craig takes a very exclusive French bus tour that has a track record of blackmail and murder for it's posh clientèle.
Craig poses as an embezzler on the run to infiltrate a criminal network that's supposed to make clients "disappear" into a new identity far away from the authorities that are after them.
Miller assumes the identity of a Polish expatriate and small time crook to infiltrate cell of a politically motivated international crime syndicate working out of a run-down London garage.
A secret new element has been devised by British nuclear scientists, but the highly volatile specimen has been stolen by a murderous enemy agent who tries to smuggle it into iron-curtain Warsaw in a Ballet Prima Dona's dancing slippers.
When a man's body is discovered in a crate unloaded from a boat at a Baltimore dock, Craig flies to South America with orders to infiltrate a 'hit' squad, a team of assassins prepared to kill anyone for money.
A scientist refuses to do further work on a British rocket system after he gets a glimpse of his supposedly dead daughter. Craig is sent undercover to a hostile country under cover as toy maker at a trade show to locate her.
Craig dons the disguise of a wall of death motorcycle rider to infiltrate a gang responsible for a series of audacious robberies. His ability to ride the machines leads to him being offered the role of lookout on the gang's next job.
The Prime Minister of a small eastern European country is assassinated and an Innocent American is being framed for it. Craig, under cover as a salesman, finds that a cabinet minister is plotting a communist takeover.
Recruited into the GS team on a special mission to ensure the safety of a visiting president. Det. Insp. Brett's methods raise a few eyebrows - none higher than than Craig's, who asks if the newcomer is all that he seems.
A small time crook steals a bag of diamonds being used as bait to trap a smuggling ring that the Ghost Squad had planted, now they and the smugglers are after him.