Biography
Ronnie Cosby (born Ronald Lee Cosbey) was an American actor who appeared in films during his early childhood to beginning of teens years.

Acting
Alhambra, California, USA
Born · Died
Ronnie Cosby (born Ronald Lee Cosbey) was an American actor who appeared in films during his early childhood to beginning of teens years.

Birth of the Blues· 1941
Jeff as a Boy

The Greener Hills· 1939
Miller Son

The Marines Are Here· 1938
Tommy Foster

Madame X· 1937
Peter Simonds

Wells Fargo· 1937
Ramsay MacKay Jr.

Boulder Dam· 1936
Peter Vangarick

Next Time We Love· 1936
Kit

Sutter's Gold· 1936
John Sutter Jr. - Age 8

I Live My Life· 1935
Alvin (Uncredited)

Moonlight on the Prairie· 1935
Young Boy

Oil for the Lamps of China· 1935
Bunsy Wellman

Personal Maid's Secret· 1935
Bobby Smith

Public Opinion· 1935
Tommy Arnold

Shipmates Forever· 1935
Little Boy (uncredited)

Straight from the Heart· 1935
Crippled Boy

West Point of the Air· 1935
Mike - as a Boy

Housewife· 1934
Buddy Reynolds

Little Men· 1934
Rob Bhaer

Now I'll Tell· 1934
Tommy Doran Jr.

Registered Nurse· 1934
Dickie

The Circus Clown· 1934
Dickie Madison

Broadway Bad· 1933
Big Fella

Broadway Thru a Keyhole· 1933
Little Boy

Dance Hall Hostess· 1933
Donnie

Deluge· 1933
Ronny Webster

Ever in My Heart· 1933
Teddy 'Sonny' Wilbrandt

Heroes for Sale· 1933
Young Bill Holmes (uncredited)

King of the Jungle· 1933
Kaspa, aged 3

The Iron Master· 1933
Little Billy Stillman as a Small Child

The Man from Yesterday· 1932
Baby Tony

East Lynne· 1931
William as a Child

Hush Money· 1931
Baby (uncredited)

Madame X· 1929
Boy at Puppet Show (uncredited)