Knots

Dave Segel

Cal Scoppa

Greta Siegel

Lily Kildear

Jake Elovitch

Emily

Annette

Molly

Andrea

Summons Server

Leering mover

Oblivious mover

Mike the bartender

Hot chick at basketball court

Departing party girl

Party ass-grabber

Crazy dancing chick

Hunk at water cooler

Sheila

Dave's Lawyer

Office Eye Candy (as Karen Waiton)

Emily (uncredited)