Two found dead at Los Angeles home of filmmaker Rob Reiner

Two people have been found dead in the Los Angeles home of filmmaker Rob Reiner.

Variety reported a heavy police presence at the Brentwood mansion the Princess Bride and When Harry Met Sally... director shares with his wife Michele Singer.

A Los Angeles Fire Department official confirmed the deceased were a man, 78, and a woman, 68. The deceased are yet to be identified, but their ages match that of Reiner and Singer.

Firefighters responded at 3.38pm to a medical aid call at a home in the 250 block of Chadbourne Avenue in Brentwood, the LAFD said.

Los Angeles Police Department sources told ABC News that police an initial death investigation had developed into a murder case.

The pair were found with what has been described as “knife wounds”, the Daily Mail reports.

The couple have three children Jake, Nick and Romy and Reiner is the adoptive father the daughter of his first wife, the late actress and director Penny Marshall.

Representatives for Reiner are yet to comment.

Reiner was a prominent director, his work included Stand By Me (1986), A Few Good Men (1992) and The Bucket List (2007).

He was also known for his acting, appearing in New Girl, The Bear and The Wolf of Wall Street.