 Attempting to prove that "families are fun," those hapless Websters continually encountered confusion, and plans usually went astray during their chaotic misadventures.Jean Verhagen (later billed as Jean Hagen) played Betty Webster.The children were Liz Webster (Joan Alt) and Billy Webster (Arthur Young, Gil Stratton Jr.), with Bill Idelson as Billy's friend Emil, Jerry Spellman (as Jeep) and Jane Webb (as Belinda Boyd).