Full Cast — Dr. Katz, Professional Therapist (1995–2002)

Jonathan Katz

Dr. Katz (voice)

H. Jon Benjamin

Ben Katz (voice)

Laura Silverman

Laura the Receptionist (voice)

Julianne Bond

Julie the Bartender (voice)

Will LeBow

Stanley (voice)

Todd Barry

Todd (voice)

Dom Irrera

Dom (voice)

Ray Romano

Ray (voice)

Fred Stoller

Fred (voice)

Louis C.K.

Louis (voice)

Ron Lynch

Ron (voice)

Lew Schneider

Lew (voice)

Dave Attell

Dave (voice)

Bill Braudis

Bill (voice)

Andy Kindler

Andy (voice)

Kevin Meaney

Kevin (voice)

Sam Brown

Sam (voice)

Mitch Hedberg

Mitch (voice)

Kathy Griffin

Kathy (voice)

Steven Wright

Steven (voice)

Wendy Liebman

Wendy (voice)

Tom Kenny

Tom (voice)

Paul F. Tompkins

Paul (voice)

Gilbert Gottfried

Gilbert (voice)

Patton Oswalt

Patton (voice)

Marc Maron

Marc (voice)

Conan O'Brien

Conan (voice)

Laura Kightlinger

Laura (voice)

Brian Kiley

Brian (voice)

Emo Philips

Emo (voice)

Carol Leifer

Carol (voice)

Jim Gaffigan

Jim (voice)

Brian Regan

Brian (voice)

Joy Behar

Joy (voice)

Jon Stewart

Jon (voice)

Jake Johannsen

Jake (voice)

David Cross

David (voice)

Mitch Fatel

Mitch (voice)

Al Lubel

Al (voice)

Wanda Sykes

Wanda (voice)