"She's really cool," says Pattinson, pushing back his James Dean-esque mane, when we meet later that afternoon.
"She was actually the last girl we saw and she was cast on the day of her audition, so we went straight out to a bar.
I try to keep out of that." De Ravin is part of a new breed of celebrity – like Pattinson and his Twilight co-star Kristen Stewart – who shun the glamour and adulation that many see as a perk of the job.
When de Ravin slouched onto the red carpet at the London premiere of Remember Me recently, grinning awkwardly in her black Oscar de la Renta mini-dress, she and Pattinson looked as though they would rather be anywhere else.
The actors, who have been dating since last year, were due to make their first public appearance as a couple at Sunday's Bafta Film Awards, but ended up arriving separately.