On this day in movie history - The Gong Show Movie (1980):

The Gong Show Movie,

directed by Chuck Barris,

written by Chuck Barris and Robert Downey Sr.,

was released in the United States on May 23, 1980.
Music by Milton Delugg.

Cast:
Chuck Barris, Robin Altman, Brian O’Mullin, Jack Bernardi, Satisfaction (Singing Group), William Tregoe, Harvey Alpert, Mabel King, Lillie Shelton, James B. Douglas, Harvey Lembeck, Ed Marinaro, Murray Langston (The Unknown Comic), Melvin Presar, Steve Garvey, Jamie Farr, Patrick Cranshaw, Cathleen Cordell, James Winburn, Bella Bruck, Starr Hester, David Sheiner, Mae E. Campbell, Kate Howard, Milton Delugg, Mark Z. Stevens, Ray Neapolitan, Bill Neale, Norman Blankenship, Donna Garrett, Phillip Simms, Pat McCormick, Patty Andrews, Jaye P. Morgan, Gene Patton (Gene Gene The Dancing Machine), Gary Mule Deer, Rip Taylor, Darvy Traylor, Ron Carr, The Bait Brothers, Roosevelt Grier, Ed Holland, Pat Francisco, Merry Kay Cote, Della Barris, Bill Bridges, Rod Haase, Augie Tribach, John Monks Jr., Nora Denney, Tony Randall, Cloyce Morrow, Cynthia Szigeti, Suzanne Kent, Phil Hartman, The Vatican Four, Betsy Lynn Thompson, Carol Gwynn Thompson, Kurt Abell, Barry Cutler, H.B. Haggerty, Trixie Dejonge, Danny DeVito, John Dorsey, Bobby Findley, Dana Glover, Joe Howard, Lanny Morgan, Kitten Natividad, Steve Nave, Taylor Negron, Nicki Rae, Larry Spencer, Manny Stevens, USC Trojan Marching Band, Walter Wonderman.