With Dennis Quaid marking his 58th birthday April 9, lets take a look at him, brother Randy Quaid and other celebrity siblings.
Emily Deschanel has starred in the Fox drama "Bones" since 2005. Younger sister Zooey, who has starred in movies such as "Elf" and "(500) Days of Summer," joined her on the network with the sitcom "New Girl" in 2011.
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