The documentary consists of tape of Don's show (never been filmed before), interviews with Don's contemporaries, (Steve Lawrence, Bob Newhart, Debbie Reynolds, etc.), established comedians (Billy Crystal, Rosanna Barr, Robin Williams, Chris Rock, etc.) and young comedians (Jeff Atoll, Jimmy Kimmel, Sarah Silverman, etc.).
Don Rickles
Harry Dean Stanton
John Landis
Clint Eastwood
Robert De Niro
Richard Lewis
Victor Figueredo
Paul Shefrin
Heidi Akawa
Joe Mele
Chris Rock
Sarah Silverman
Bob Newhart
Whoopi Goldberg
Steve Lawrence
Robin Williams
Roseanne Barr
Dave Attell
Christopher Guest
Billy Crystal
Regis Philbin
Tony Oppedisano
Sidney Poitier
Penn Jillette
Bobby Slayton
Eliot Weisman
Mario Cantone
Kathy Griffin
Ed McMahon
Peter Lassally
George Wallace
Martin Scorsese
George Lopez
Jay Leno
Larry King
Ernest Borgnine
Carl Reiner
Debbie Reynolds
Jack Carter
Roger Corman
Barbara Rickles
Joan Rivers
James Caan
Jimmy Kimmel
Keely Smith
Harry Shearer
Howard Blank
Tom Smothers
Dick Smothers
Frankie Avalon
John Lasseter
Estelle Harris
Ginny Newhart
John Stamos
Bob Saget
Ron O'Neal
Coach Golembiewski