Working on-camera with trained animals is often easier than with actors.

“They do exactly what they’re told,” said Roland Gibbons, creative director at Gish Sherwood & Friends in Nashville, Tenn. “And they’re always on cue.”

Gibbons cast Universal Studios’ canine star, Baron, the bloodhound, in new commercials for Heil of Lewisburg, Tenn.

Dogs also let you put words in their snouts. With the help of animators from Spin Productions in Atlanta, Baron, who appeared with Julia Roberts in Runaway Bride and George Clooney in O Brother, Where Art Thou? appears to talk with veteran Heil mascot Dudley, a basset hound featured in ads since 1997.

Discussion between the dogs centers on the comforts of homes heated and cooled with Heil furnaces and air conditioners.

Filmed in Charlotte, N.C., by Oasis Films, the four 30-second spots will air in June on cable and network television.