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 John Ratzenberger Guest Star Cindy Williams Guest Star Larry Miller Guest Star Billy Aaron Brown Guest Star Thad Luckinbill Guest Star Cole Williams Guest Star Howard Alonzo Guest Star Paul Wesley Guest Star Wendie Jo Sperber Guest Star Gregor Trpin Guest Star Tom Shadyac Executive Producer Flody Suarez Executive Producer Michael Bostick Executive Producer Tracy Gamble Executive Producer, Writer James Widdoes Director