Richard Burke (Tom Selleck) — An ophthalmologist and best friend of Jack Geller. Richard is introduced in "The One Where Ross and Rachel … You Know[e 58] when Monica caters an event at his apartment. He and Monica soon start seeing each other, infuriating Monica's parents when they find out in "The One Where Joey Moves Out".[e 59] He and Monica break up in "The One with Barry and Mindy's Wedding"[e 60] when he tells her he does not want more children, his own having already reached adulthood. Despite the two still being in love, they cannot reconcile this difference, and are both devastated for months. He makes a brief voice cameo in "The One Where No One's Ready"[e 61] and appears in "The One Where Monica and Richard Are Just Friends",[e 62] in which he and Monica flirt with getting back together. In "The One with the Proposal",[e 63] he proposes to Monica after she leaves Chandler. After Chandler comes to his apartment searching for Monica, Richard tells him to propose. His apartment is put up for sale in Season 9, in "The One with Ross's Inappropriate Song", but Richard is not seen.

All of Selleck's entrances in Season 2 had to be refilmed after the audience left because "it was like The Beatles with the screaming and the applause".[29] For his appearance in "The One with the Proposal",[e 63] Selleck was nominated for the Primetime Emmy Award for Outstanding Guest Actor in a Comedy Series. The Seattle Times ranked Richard as the third best guest character of the series in 2004.[23] after the episode the one where no ones ready he then as a looky likey Chandler and Joey who both have a Cigar and a Mostache (Richard,s Looky likey countines