Deanna Russo (born October 17, 1979 in New Jersey, U.S.) is an American actress. She is best known for her role as Dr. Logan Armstrong on the soap opera The Young and the Restless. She most recently starred in NBC's Knight Rider TV movie as Sarah Graiman, She's daughter the creator of KITT's
Dr. Charles Graiman and Michael Long Knight's son Michael Traceur Knight's childhood love. She is also KITT's technician in the Knight Rider series.
Russo's other acting credits include guest roles on Charmed, CSI, CSI: NY, How I Met Your Mother, NCIS, Gossip Girl, and Rescue Me.
She was also in the 2008 movie Ghost Voyage. Additionally, she directed a prize-winning comedic short film "A Taste of Kream". She has appeared in many commercials for Ford, Axe, Disney, etc. One of her Axe clips was selected for "Funniest commercials of 2007".
She has also appeared on a great many magazine covers (Brides, Health, etc.), and was "Babe of the Month" in the December 2007 Playboy.
She appears on the cover of the Frank Sinatra Jr album called "That Face", released in 2006.
She also starred in Believers, with Johnny Messner and in the parody of Katy Perry on Sesame Street on CollegeHumor's YouTube video: Katy Perry Puppet Sex.