Famous birthdays for July 21: CC Sabathia, Josh Hartnett

July 21 (UPI) -- Those born on this date are under the sign of Cancer.

They include:

-- Composer Chauncey Olcott ("When Irish Eyes Are Smiling") in 1858

-- Author Ernest Hemingway in 1899

-- Violinist Isaac Stern in 1920

-- Singer Kay Starr in 1922

-- Producer Norman Jewison in 1926 (age 91)

-- Actor/comedian Don Knotts in 1924

-- Former U.S. Attorney General Janet Reno in 1938

UPI File Photos

-- Actor Edward Herrmann in 1943

-- Singer Yusuf Islam, formerly known as Cat Stevens, in 1948 (age 69)

-- Cartoonist Garry Trudeau in 1948 (age 69)

-- Actor/comedian Robin Williams in 1951

-- Actor Jon Lovitz in 1957 (age 60)

-- Actor Josh Hartnett in 1978 (age 39)

File Photo by Hugo Philpott/UPI

-- Reggae singer Damian Marley in 1978 (age 39)

-- Baseball player CC Sabathia in 1980 (age 37)

-- Actor Diane Guerrero in 1986 (age 31)

-- Actor Juno Temple in 1989 (age 28)

File Photo by David Silpa/UPI