Doctor Who in Australia in 1965 after her father's appointment as the ABC's Head of Drama and later starred in the first two seasons of "Skippy the Bush Kangaroo", before returning to the UK in 1969. Australian singer and actress Kylie Minogue played Astrid Peth in the 2007 Christmas special "Voyage of the Damned" and Australian actor Peter O'Brien played Ed Gold in the 2009 special "The Waters of Mars". Australia itself has also featured in "Doctor Who" more than once, though without ever having been filmed or produced locally. The Second Doctor 1967–68 serial "The Enemy of the World" was set on and
Companion (Doctor Who) in the Series Four finale "The Stolen Earth" / "Journey's End" (2008), which features a record eight past, present and future companions: Donna is joined by a returning Rose, Martha, Jack, Sarah Jane, and Mickey, while past companion K9 and future companion Wilfred Mott make appearances. This tendency, plus the increase in "one-off" companions like Astrid Peth and Jackson Lake, has further obscured the matter of who is and is not a companion. The Doctor's companions have assumed a variety of roles—involuntary passengers, assistants (particularly Liz Shaw), friends, and fellow adventurers; and, of course, he regularly gains new companions and