Gaybo Laughs Back is an hour-long special, hosted by Gay Byrne who introduces some of the comedy highlights from his thirty-seven years at the helm of the long-running television series.
| Actor | Role |
|---|---|
 Gay ByrneSelf - (Narrator) | Self - (Narrator) |
 Lenny HenrySelf | Self |
 Billy ConnollySelf | Self |
 Tommy TiernanSelf | Self |
 Dermot MorganSelf | Self |
 Spike MilliganSelf | Self |
 Graham NortonSelf | Self |
 Patrick KieltySelf | Self |
 Brendan O'CarrollSelf | Self |
 John CleeseSelf | Self |
 Pat ShorttGarda Tom Walsh | Garda Tom Walsh |
 Jon KennyGarda PJ Moloney | Garda PJ Moloney |
 Rod HullSelf | Self |
 Dylan MoranSelf | Self |
 Peter CookSelf | Self |
 Barry HumphriesDame Edna | Dame Edna |
 Stephen GatelySelf (Boyzone) | Self (Boyzone) |
 Ronan KeatingSelf (Boyzone) | Self (Boyzone) |
 Shane LynchSelf (Boyzone) | Self (Boyzone) |
 Keith DuffySelf (Boyzone) | Self (Boyzone) |
 Mikey GrahamSelf (Boyzone) | Self (Boyzone) |
 Roddy DoyleSelf | Self |
 Niall TóibínSelf | Self |
 David KellySelf | Self |