Line of Duty star Martin Compston was asked if he had a new job modelling life jackets after a Steve Arnott lookalike was spotted on their plane.
The hilarious observation came after one of Martin's fans was on board a flight and thought that the cartoon figure on the safety card looked familiar.
On closer inspection it bore more than a passing resemblance to actor Martin Compston or rather his Line of Duty character Steve Arnott complete with its little moustache and beard.
The character even appeared to wear a 'waistcoat' in the form of a life jacket.
Martin couldn't resist showing off the likeness on his Twitter alongside the message from the fan who said: "Since when did Steve Arnott start modelling for a certain airline?!?
"Different to a waistcoat I suppose! Martin Compston."
The fan added: "It was unnerving how “Steve” like it was! Even my hubby commented! Xx"
An amused Martin responded: "Waistcoat of the sea."
He wasn't the only one enamoured by the likeness.
His followers loved the similarity and one joked: "A-sea 12" in reference to the programme's special unit AC-12.
Another suggested: "The likeness is spooky. I think all life jackets should be renamed Arnotts immediately!"
Others poked fun at the airline connection, using terms such as "Line of Duty free" and "Airline of Duty".
And another asked: "Is there a pocket for the glock?:
