Favorite Guest Star on 'Friends'

As Ross' somewhat younger girlfriend Elizabeth's father Paul. He also dates Rachel.

As the actress Cecilia who plays Jessica Lockhart on Days Of Our Lives. She gets fired from the show and Joey, as Dr Drake Ramoray, then inherits her brain after his "brain transplant".

Played Joey's co-star Richard Crosby in a World War I play. He gets a little too drunk on set, causing Joey to almost miss Chandler and Monica's wedding.

As Chandler's hilariously crazy roommate Eddie who moves in after Joey moves out in season 2.

As Rachel's somewhat shallow sister Amy.

As Rachel's other, slightly more slutty, sister Jill.

Plays Tomas in one scene in Central Perk together with Billy Crystal. These two guest appearences were actually not scheduled, the two actors just happened to be nearby when filming the episode. (season 3, episode 24, The One With The Ultimate Fighting Champion)

As Tim, the other guy in Central Perk talking to Robin Williams' character.

As Rachel's old college friend Melissa. They apparently drank a little too much sangria in college which resulted in kissing.

As Pheobe's scientist boyfriend David who in vain goes to Minsk for several years.

As Monica's and Ross' old high school friend Will. He and Ross founded the "I hate Rachel Green"- club together.

As Phoebe's cop boyfriend Gary who unfortunately shot a bird which led to their break-up.

As Joshua, who Rachel has a crush on. They later become a couple, despite Rachel's desperate attempt to impress him in her cheerleader outfit. They eventually break up due to Rachel's sudden wedding craze.

As the not too bright Erica, who gives birth to Chandler and Monica's twins.

As Ursula's fiancée Eric. He later falls for Phoebe but the identical twin situation becomes too much so they break up.

As Ross' girlfriend Julie, whom he met when on a dig in China, to Rachel's big frustration.

As Chandler's transvestite father Charles Bing aka Helena Handbasket. He has a burlesque show in Vegas called Viva Las Gay-gas.

As Monica's billionaire boyfriend Pete, who makes a really bad attempt of becoming the ultimate fighting champion.

As the paleontologist Charlie, who first dates Joey before she falls for Ross in Barbados.

As Charlie's old boyfriend Dr Benjamin Hobart who desperately wants her back and succeeds, playing a really nasty game with Ross.

As Rachel's assistant Tag Jones. They also dated a while.

As Ross and Rachel's baby sitter Sandy who with his feminine touch really bothers Ross.

As Chandler's fourth grade pal Susie Moss. The two meet on a movie set, when the friends go to visit Ross' monkey Marcel. Apparently Chandler pulled up her skirt in the fourth grade giving her the nickname Susie Underpants. She makes him pay for this.

As Rachel's date Tommy who has a tendency to start screaming at everything that makes him upset.

As Rachel's co-worker Gavin Mitchell. They also dated briefly.

As Erika Ford, the number one fan of Dr Drake Ramoray, who gets a little too obsessed with Joey.

As Ross' English love Emily. The two abruptly get married but Ross messed up this marriage too by saying "Rachel" at the altar.