John Ritter Paul Hennessy Actor Katey Sagal Cate Hennessy Actor Kaley Cuoco Bridget Hennessy Actor Amy Davidson Kerry Hennessy Actor Martin Spanjers Rory Hennessy Actor Larry Miller Guest Star Mo Gaffney Guest Star Billy Aaron Brown Guest Star Bryan Neal Guest Star Edward James Gage Guest Star Tom Shadyac Executive Producer Flody Suarez Executive Producer Michael Bostick Executive Producer Tracy Gamble Executive Producer, Writer Gil Junger Director