Best recognized as the younger brother of Freddie Highmore.
Both he and his brother made their acting debuts in Women Talking Dirty.
He played his brother's onscreen sibling in the 1999 film Women Talking Dirty.
Born Albert Samuel Highmore to Edward Highmore and Sue Latimer, he was raised in a show business family. His mother was a talent agent and his father an actor.
In Women Talking Dirty, he appeared opposite Gina McKee.