Shaun Cassidy, Edd Byrnes, and Parker Stevenson in The Hardy Boys/Nancy Drew Mysteries (1977)

Shaun Cassidy, Edd Byrnes, Pamela Franklin, and Parker Stevenson in The Hardy Boys/Nancy Drew Mysteries (1977)

Edd Byrnes and Pamela Franklin in The Hardy Boys/Nancy Drew Mysteries (1977)

Edd Byrnes in The Hardy Boys/Nancy Drew Mysteries (1977)

Edd Byrnes and Vic Damone in The Hardy Boys/Nancy Drew Mysteries (1977)

Dinah Manoff and Edd Byrnes in Grease (1978)

Efrem Zimbalist, Jr. with Edd "Kookie" Byrnes and the cast of "77 Sunset Strip," January 15, 1961.

Efrem Zimbalist, Jr. with Edd "Kookie" Byrnes and Louis Quinn on the set of "77 Sunset Strip," January 15, 1961.

Edd Byrnes at an event for Out of Sight (1998)

George American Horse, Edd Byrnes, Andra Martin, and Clint Walker in Yellowstone Kelly (1959)

Diana Ross, Florence Ballard, Edd Byrnes, Tommy DeVito, Bob Gaudio, Bobby Hatfield, Nick Massi, John Maus, Bill Medley, Chris Noel, The Supremes, Frankie Valli, Scott Walker, Mary Wilson, The Righteous Brothers, The Walker Brothers, The Four Seasons, and The Hondells in Beach Ball (1965)

Stewart Granger, Mickey Rooney, Edd Byrnes, Henry Silva, and Raf Vallone in The Secret Invasion (1964)

Edd Byrnes, John Russell, and Clint Walker in Yellowstone Kelly (1959)

Edd Byrnes, Andra Martin, and Clint Walker in Yellowstone Kelly (1959)