Paul Adelstein

as Jeff Tucker(1 ep)

as Dr. Gary Felder(8 eps)

as Chase

as Mark

as Matty Goodfader(1 ep)

as Ed Laich

as David Conn(1 ep)

as Jeff Kaplan(2 eps)

as Ted

as Mr. Donohue

as David(13 eps)

as Wes Krupke(1 ep)

as Allen

as Oscar Lehman(1 ep)

as Shelly Cohen(4 eps)

as Raymond Blackstone(10 eps)

as Scott Borwitz

as Peter

as Jake(26 eps)

as Aaron Royal

as Jason Crawford(6 eps)

as Seamus Murphy(3 eps)

as Leo Bergen(18 eps)

as Guy at Table

as Philly

as Self - Guest(1 ep)

as Astronaut (voice)

as Drexler Hewitt

as Cooper Freedman(111 eps)

as Lieutenant Hutchins

as Paul Kellerman(47 eps)

as Dr. Cooper Freedman(1 ep)

as Hy Gordon

as Kevin Brougham (voice)(1 ep)

as Craig(1 ep)

as Fed #3

as Wrigley

as Alex Brooks(1 ep)

as Aldo Rossi(9 eps)

as Dave Lovitt(1 ep)

as Julian Kerbis(13 eps)

as Dr. Stone(1 ep)

as Bob / Roberto / Beach Jock / Sportscaster / Lincoln Aide

as Dr. Neil Alexander(1 ep)

as Cliff(13 eps)

as Mike(1 ep)

as Brunch Guest (uncredited)

as Hank Loman(1 ep)

as Paul(1 ep)

as Sailor - Young Paul