Billy Crystal
Mike (voice)
John Goodman
Sullivan (voice)
Charlie Day
Art (voice)
Dave Foley
Terry (voice)
Sean Hayes
Terri (voice)
Joel Murray
Don (voice)
Peter Sohn
Squishy (voice)
Julia Sweeney
Ms. Squibbles (voice)
Nathan Fillion
Johnny (voice)
James Kevin Ward
Dad (voice)
Bobby Moynihan
Chet (voice)
Cristina Pucelli
Timmy (voice)