Question: Who starred in the film The Beginning and was also a professional skateboarder?

Context paragraphs:
PJ Ladd: Patrick John Ladd, professionally referred to as PJ Ladd, (born January 11, 1983) is an American professional skateboarder whose stance is "regular".  Ladd was labelled an "east coast legend" by fellow professional skateboarder and team manager John Rattray in May 2013.

The Faction (band): The Faction is a hardcore punk rock band from San Jose, California.  Pioneers of the skate punk era during the early 1980s, their longest stint being from Halloween 1982 until Halloween 1985, The Faction were one of the first bands whose music and lifestyle tastes centered on punk rock and skateboarding.  An early demo tape had these words inscribed on the label, "Music By Skaters For Skaters."  All original band members and their subsequent replacements are accomplished skateboarders, most notably bass and guitar player and legendary professional skateboarder Steve Caballero.  In the early years of the band Caballero was instrumental in attracting a large following of skateboarders to the band.  Lead singer Gavin O'Brien was also a notable skateboarder, popular at local Winchester Skatepark.  Drummer Craig Bosch has a skateboard trick named after him, "the Bosch" aka invert to blunt.  Pro skateboarder Jeff Kendall would also play with The Faction during 1989.

Tony Hawk: Anthony Frank "Tony" Hawk (born May 12, 1968), commonly known by his nickname "The Birdman", is an American professional skateboarder, actor, and owner of skateboard company Birdhouse.  Hawk is well known for completing the first documented 900 and for his licensed video game titles, published by Activision.  He is widely considered to be one of the most successful and influential pioneers of modern vertical skateboarding.

Jerry Hsu: Jerry Hsu (born December 17, 1981) is an American professional skateboarder and photographer.  He was described by professional skateboarder and longtime friend Marc Johnson as a "cool breeze" in 2013.

Grant Taylor (skateboarder): Grant Taylor (Born October 30,1991) is an American professional skateboarder.  He is the son of former professional skateboarder Thomas Taylor and won Thrasher Magazine's "Skater of The Year" in 2011.  Grant’s style of skateboarding is known to be fast and powerful.  He is recognized for his unique versatile skateboarding.

Manny Santiago: Emanuel "Manny" Santiago (born September 10, 1985), nicknamed "Manny Slays All", is a professional skateboarder from Puerto Rico.  Santiago is the first and only Puerto Rican skateboarder to be in the Street League Skateboarding (SLS) “premier competitive series”.  In 2013, Santiago won two consecutive stops in the first ever "Select Series" at Street League Skateboarding (SLS) Brazil and Barcelona.  As an amateur, Santiago won 1st place for Best Trick at the Black Box Crossroads Contest amongst professional skateboarders like Nyjah Huston, Chris Cole, Torey Pudwill, and Ryan Sheckler.  In 2012, he became the first Puerto Rican street skateboarder to place in the top three in the X Games after coming in 3rd place at the finals in Barcelona.  He is famously recognized for his missing tooth, ear-to-ear smile, and endlessly positive demeanor.

Rick Howard: Rick Howard is a Canadian professional skateboarder, who is a part-owner of Girl Skateboards and cofounded the Lakai Limited Footwear company with fellow professional skateboarder Mike Carroll.

Eric Koston: Eric Koston (born April 29, 1975) is an American professional skateboarder and company owner.  He has been featured in the "Tony Hawk's" video game series, and the Electronic Arts (EA) video games "Skate 2" and "Skate 3".  Koston co-owns both Fourstar Clothing (with Guy Mariano) and the skatepark/website "The Berrics" (with professional skateboarder Steve Berra).

Alex Chalmers: Alex Chalmers is a professional skateboarder from North Vancouver, British Columbia, Canada.  He grew up skateboarding at Griffin Skatepark in Griffin Park in North Vancouver, not far from his home.  His sponsors have included Flip Skateboards and Adio Shoes.  He has done skateboarding stunt work in such films as "Freddy Got Fingered" starring Tom Green, and can be seen in skateboard videos such as Flip-Sorry, Tony Hawk's Great Skatepark Tour, and in the White Album, a documentary about the professional skateboarder and snowboarder Shaun White.  Chalmers also has a short role in the Electronic Arts games Skate. , Skate 2 and Skate 3.

The Beginning (film): The Beginning is a skateboarding film by Birdhouse Skateboards which features the professionals and amateurs of Birdhouse.  The film was released on October 12, 2007.  The film starts out with Jean Postec, Tony Hawk, and Shaun White on a vert ramp in the middle of a desert displaying their vert skills.  After that it shows the street skaters of Birdhouse taking bails that they land later on in the film.  Professional skateboarder Shaun White does not have his own video part in the video.  Special features include - The Making of The Beginning, Jeremy Klein in Japan, friends montage, flow montage, outtakes, sponsor commercials, Todd Falcon skate film, and team bios.  They also made premieres across the United States.

Supporting paragraphs: The Beginning (film) Tony Hawk
Answer: Tony Hawk