Jennifer Aniston Rachel Green Actor Courteney Cox Monica Geller Actor Lisa Kudrow Phoebe Buffay Actor Matt LeBlanc Joey Tribbiani Actor Matthew Perry Chandler Bing Actor David Schwimmer Ross Geller Actor Julia Roberts Susie Moss Guest Star Jean-Claude Van Damme Himself Guest Star Lisa Roberts Gillan Cathy Guest Star Seth Isler Monkey Trainer Guest Star Steven M. Porter Security Guard Guest Star Kevin Bright Director Guest Star, Executive Producer David Crane Director Guest Star, Executive Producer Marta Kauffman Director Guest Star, Executive Producer