Complex sentence: In 2003, he had a cameo in "The Office" Christmas special, playing himself alongside Ricky Gervais as David Brent and Paul "Bubble" Ferguson from Big Brother 2.
Split into simpler sentences: In 2003, Howard had a cameo in "The Office" Christmas special. Howard played himself alongside Ricky Gervais as David Brent and Paul "Bubble" Ferguson from Big Brother 2.