Martine McCutcheon has revealed she feared she would knock Hugh Grant down when she had to jump into his arms while filming Love Actually.
The former EastEnders star plays a Downing Street tea lady who falls in love with the prime minister in the 2003 Christmas film.
She said her first day on set was filming the reunion scene at Heathrow Airport, which is the finale of the movie and during which she leaps into Grant's arms.
"It feels really clear, it's something that I will never forget and I was so excited, I was so nervous, I was so grateful to be there.
"I was in disbelief that I was there, and it was a real pinch-me moment."
She added: "Our first day of filming was actually filming the last scene which was the Heathrow scene and that was wonderful, it was one of the only times that everybody was together, if not the only time, and you realise that all these people are actually connected in some way without realising necessarily.
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"It was just so special to look around and see everyone around us, Oscar winners, the talent on that set that day was unbelievable.
"But I was really nervous because I had to run and jump on Hugh, that was my first scene, and I was thinking 'Oh my God, I'm going to kill him!'
"He was like 'Come on, go for it', and I was so nervous because I had never had to jump on anybody in a scene in my life and now as I do it, it's with the heartthrob that is Hugh Grant, in front of everybody, in front of all these amazing actors, and what if I knock him out? What if I do something wrong?
"And every time I ran up to do it, I stopped.
"Hugh called me Teeny, and he was like 'Come on Teeny, you can do it,' and I was so scared I was going to hurt him or knock him over or something.
"Luckily everything went great and we did good, he was fine, he can handle it.
"He makes it all look effortless."
Even though the film is watched time and time again, McCutcheon said she has not watched it in full since it first premiered.