United Kingdom, Oct. 15 -- Billy Crystal has revealed he still finds himself wanting to telephone his murdered friend Rob Reiner - describing the loss of the Hollywood director as "profound" after a friendship that spanned almost five decades.

The 78-year-old comedian and actor reflected on his relationship with Rob, who was 78 when he and his wife Michele Singer Reiner, 70, were found fatally stabbed at their Los Angeles home last year.

Their son Nick Reiner, 33, has pleaded not guilty to two counts of first-degree murder.

Speaking to People magazine, Billy recalled meeting Rob on the sitcom All in the Family and the friendship that subsequently led to their collaborations on The Princess Bride, This Is Spinal Tap and When Harry Met S...