Linley made his acting debut in the 1998 made-for-television film Still Holding On: The Legend of Cadillac Jack. Subsequently, he had supporting roles in four films released in 2000: My Dog Skip, Where the Heart Is, Walker, Texas Ranger, and Miss Congeniality. In 2003, Linley had a major role in the independent film When Zachary Beaver Came to Town and appeared in the movie Cheaper by the Dozen.

Most recently, Linley appeared on Disney Channel in seven episodes of Hannah Montana as Jake Ryan. He also appeared in That's So Raven, in the episode "Five Finger Discount" as Daryl. Linley appeared during the world premiere of The Cheetah Girls 2, while conversing alongside hit Disney Channel celebrity, Brenda Song, opening the film with their comments. When Brenda introduced him, she said "Hannah Montana Star" which arose rumors that he may receive a spot on the show.

He appeared in the children's film Hoot, which opened on May 5, 2006, portraying Mullet Fingers and co-starring with Logan Lerman and Brie Larson as three youngsters who try to save a local colony of Burrowing owls. The movie is an adaptation of the children's book by Carl Hiaasen. He announced in March 2007 that either a small role or major role are trying to be worked into The Cheetah Girls 3 for him. In 2007 he had a lead role in the movie The Haunting Hour: Don't Think About It alongside Emily Osment. He has also appeared in the movie Where the Heart Is alongside Natalie Portman and Ashley Judd where he played Ashley Judd's oldest son Brownie Coop. He played the son of the Vikings coach in the film Rebound.

Linley helped host the 2008 Disney Channel Games alongside Brian Stepanek from The Suite Life of Zack and Cody and Meaghan Jette Martin from the Disney Channel movie Camp Rock.

As of June 2008, he is filming Forget Me Not, a thriller in which he plays Eli Channing. Linley's co-stars include Hannah Montana veteran Brie Gabrielle and Disney alum Carly Schroeder (Melina from Lizzie McGuire).

He also appeared in commercials for Zaxby's, some alone and some with Alyson Stoner.

Miley Cyrus Scandal: Miley Cyrus has fueled rumors she is dating fellow teen star Cody Linley??

Miley Cyrus has fueled rumors she is dating fellow teen star Cody Linley, after the pair was spotted leaving the actor's Los Angeles apartment late at night.

In the past Cyrus has confessed her crush on the 18-year-old, who plays her love interest on the TV show "Hannah Montana."

She once said, "He is so much fun to look at. He's really fun and down to earth. And he's hot!"

Linley was dating "Camp Rock" actress Demi Lovato until their recent split, and gossips claims 15-year-old Cyrus has pounced on the newly single hunk.

They were snapped as Linley drove the pair away from his L.A. pad on September 2. An onlooker says, "Cody opened the door of his Mustang for Miley, who had a huge smile on her face. She couldn't keep her eyes off him."

But Linley insists he and Cyrus are just good friends: "She came over, and Miley, my roommate and I all painted. We splatter-painted. Right now, we're just very close friends."

Miley Cyrus Scandal: Miley Cyrus has fueled rumors she is dating fellow teen star Cody Linley??