Harry Potter star Tom Felton took to his social media to wish on-screen parent Jason Issacs, 59, a happy birthday, with a sweet photo of the pair embracing each other at a comic convention.
Writing on social media, Tom wished fellow Harry Potter actor Jason Issacs many happy returns on his birthday, captioning the Instagram post with: "Happy birthday father. Swipe for a surprise.
"Also happee (belated) birthday to Draco Malfoy, too!"
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In the first photo, the pair are posing in their Slytherin garb, with a much younger Tom looking up at the formidable Jason in fear.
The 'surprise' photo show the pair grinning as they pose for a cuddly photo, at an unknown comic convention where they met fans of the Harry Potter franchise.
Fictional character Draco Malfoy's birthday (June 5) is one day before real-life actor Jason Issacs (June 6), who plays Draco's father and deadly death-eater, Lucius Malfoy.
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Fans flocked to Tom's social media comments to send their well wishes to Jason, with one Instagram user writing: "The second photo always gets me! The best father/son duo."
Another said: "My father will hear about this!"
And a third wrote: "Happy birthday to Slytherin's scariest father ever!"
Another added: "Keeping it in the family!" with a snake emoji.
Tom is currently performing in the Criterion Theatre as part of the cast of 2:22, A Ghost Story, and tickets are available here.