VIDEO: Andrea Martin, Nathan Lane Talk Favorite Co-Stars, Robin Williams & More on Bravo

It was a fun night on Bravo's WATCH WHAT HAPPENS LIVE when Tony Award winners Nathan Lane (The Producer's, The Addams Family) and Andrea Martin (Pippin) stopped by the clubhouse, along with "It's Only a Play" star Micah Stock serving as guest bartender.

Below, check out clips from the appearance including:

Nathan remembers his 'Bird Cage' co-star Robin Williams. "No one was kinder or more gracious" says the actor.

Martin and Lane are asked who their favorite and least favorite co-stars have been.

A caller asks actors Andrea Martin and Nathan Lane what roles they'd like to take on in the future and both share what roles are in store for them.

Nathan Lane plays Plead the Fifth with Andy Cohen and he refuses to answer one of the questions!

A caller asks actor Nathan Lane whether he'll be reprising his role as Pepper on "Modern Family."

Actress Andrea Martin shares fond memories of the late Gilda Radner, Jan Hooks, and John Candy.

Two-time Tony Award-winner Andrea Martin is currently in San Francisco joining the cast of the SHN presentation of "Pippin" at the GoldenGate Theatre.

Lane currently appears on Broadway in 'It's Only a Play' which officially opened for its limited 18-week engagement at Broadway'sGerald Schoenfeld Theatre (236 West 45th Street) on Thursday, October 9, 2014.

Photo: Courtesy of Bravo/Charles Sykes