William McInnes (born September 10 1964) is an Australian actor born in Redcliffe, Queensland.

After a recurring role on A Country Practice in 1990, McInnes appeared in series such as Bligh, Ocean Girl, and Snowy before making his name as Sergeant Nick Schultz on Blue Heelers in 1994. McInnes starred on the show until 1998, when he left to focus on other work. In 1999, he joined the cast of SeaChange as Max, the new love interest of neurotic main character Laura Gibson (Sigrid Thornton) after Diver Dan (David Wenham) left the series.

McInnes has also been an entrant in the world Cooee Calling Contest held at Yeppon in 1986 and also appeared in the group The Musical Garglers.

Subsequent film roles included My Brother Jack (2001), Do Or Die (2001), Dirty Deeds (2002), and The Shark Net (2003). In 2002, McInnes was part of the cast of Marshall Law, which was cancelled after one season; and he returned for several episodes of Blue Heelers in 2004 and 2005. He also had a recurring role as Colin in 2003's CrashBurn; and a noted comic turn as Sandy Freckle in two episodes of Kath & Kim.In 2006 he completed the film Unfinished Sky.

McInnes was nominated for two Australian Film Institute awards in 2001 – Best Actor in a telemovie for My Brother Jack; and Best Actor in a television series for SeaChange. He has been nominated six times for the industry-voted Most Outstanding Actor Logie award – twice for Blue Heelers, twice for SeaChange (which he won in 2000), for My Brother Jack (which he won in 2002), and for The Shark Net. In 2001, he was also nominated for the public-voted Most Popular Actor. William has released his first book A Man's Got to Have a Hobby (Hachette Livre) on 1 August 2005 and his latest movie Look Both Ways written and directed by his wife, Sarah Watt, was released nationally in Australia on 18 August 2005. His second book Cricket Kings was released in 2006.

William was the first guest host of Let Loose Live. The episode aired on 29 May 2005. The show was axed by the Seven Network after just two weeks. He also appeared as himself on Micallef Tonight on the Nine Network but it was also quickly axed. McInnes lent his voice for the Nine Network factual series The Code: Crime and Justice also known as Crime and Justice. William is sometimes credited as 'Rock Hampton' (e.g. in Kath & Kim and the 2005 film You and Your Stupid Mate). In 2007 he played the title role in the telemovie Curtin.

In late 2007, he had the lead role in SBS's East West 101. In 2008, he will appear on Channel Ten's telemovie The Informant (telemovie).

He is 6' 4" (1.93 m) tall.

Won a Logie Award in 2000 in the category of Most Outstanding Actor for his role as Max Connors in "SeaChange" (1998).

Wrote a regular column called 'William Tells' for the Australian Women's Weekly.

Was named one of 'TV's 16 Sexiest Stars' by Australian TV Week magazine.

His wife Sarah Watt is an award-winning maker of animated films

Won a Logie Award in 2002 for his work in the Channel Ten series My Brother Jack (2001) (TV) in the Most Outstanding Actor category.

Studied drama at the Western Australian Academy of Performing arts (graduated 1988).

He is the youngest of five children of Iris and Col (deceased 1992) McInnes.

Has a degree in law and economics from Central Queensland University in Rockhampton.

He had a prosthetic lazy eye fitted to play the part of John Curtin in Curtin (2007).