Recurring Guest Characters Steve Allen 4 guest appearances Mercedes McCambridge 4 guest appearances Ray Walston 4 guest appearances Buddy Rich 4 guest appearances Meredith MacRae 4 guest appearances Robert Horton 4 guest appearances Penny Marshall 4 guest appearances McLean Stevenson 4 guest appearances Annette Funicello 4 guest appearances Ruth Gordon 3 guest appearances Ronnie Milsap 3 guest appearances Princess Grace 3 guest appearances Jerry Vale 3 guest appearances Robert Conrad 3 guest appearances Peter Ustinov 3 guest appearances Jamie Farr 3 guest appearances Kenny Rogers 3 guest appearances Carmel Quinn 3 guest appearances Gretchen Wyler 3 guest appearances Kaye Stevens 3 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥