Gabi Simson plays "The Woman Dealer" on

5/23+24The One In Vegas

Gabrielle Union plays "Kristen" on

7/17The One With The Cheap Wedding Dress

Gary Collins plays "Himself" on

5/4The One Where Phoebe Hates PBS

Gary Oldman plays "Richard Crosby" on

7/23+24The One With Monica And Chandler's Wedding, Part I & II

Gene Crane plays "Christmas Tree Customer" on

3/10The One Where Rachel Quits

Geoff Pierson plays "Mr. Franklin" on

8/5The One With Rachel's Date

Geoffrey Lower plays "Alan" on

1/3The One With The Thumb

George Clooney plays himself/unknown on

1/17The One With The Two Parts (Pt. 2)

George Newbern plays "Danny" on

5/6The One With The Yeti
5/7The One Where Ross Moves In
5/10The One With The Inappropriate Sister

George Stults plays "Fredrick" on

7/15The One With Joey's New Brain

Gina Belafonte plays "the Second Guest" on

7/11The One With All The Cheesecakes

Gina Hecht plays "Richard's Date" on

3/13The One Where Monica And Richard Are Friends

Giovanni Ribisi plays "Frank Jr." on

2/21The One With The Bullies
3/5The One With Frank Jr.
3/18The One With The Hypnosis Tape
4/11The One With Phoebe's Uterus
4/12The One With The Embryos
4/17The One With The Free Porn
5/3The One Hundredth
10/2The One Where Ross Is Fine

Giovanni Ribisi plays himself/unknown on

2/6The One With The Baby On The Bus

Greg Kinnear plays "Dr. Hobart" on

10/6The One With Ross' Grant

Greg Wrangler plays "Fireman #1" on

6/18The One Where Ross Dates A Student

Gregory Itzin plays "Mr. Hanigan" on

9/7The One With Ross's Inappropriate Song

Gregory Itzin plays "Mr. Hannigan" on

10/12The One With Phoebe's Wedding

Gregory Jbara plays "Gene" on

10/11The One Where The Stripper Cries

Gregory Sporleder plays "Larry" on

5/7The One Where Ross Moves In

Gregory White plays "Dr. Gettleman" on

9/3The One With The Pediatrician

Greta Seshta plays "the Receptionist" on

9/3The One With The Pediatrician

Gretchen Wyler plays "Mrs. Burkart" on

4/6The One With The Dirty Girl