James Marsters by Kevin Parry/WireImage.com
is dotting I's and crossing T's on a deal to play astronaut Buzz Aldrin in the British TV movie
The movie's July 2009 airing will coincide with the 40th anniversary of Apollo 11's moon landing - piloted by astronauts Aldrin, Neil Armstrong and Michael Collins.
THR.com says the telepic's budget is in the $5 million neighborhood and is being co-produced by, among others, Britain's ITV, The History Channel and NTV Japan. -