It will be the first time either has appeared as a presenter at the SAG Awards.
Garner is also nominated for an Actor -- the name SAG has given to its statuette -- for Outstanding Performance by a Male Actor in a Supporting Role for "The Notebook." It is his fourth SAG Awards nomination.
Gibson starred in the 1994 feature film version of Garner's breakthrough TV series hit "Maverick." Andrews co-starred with Garner in the 1964 movie "The Americanization of Emily" and the 1982 feature "Victor/Victoria." They also co-starred in the 1999 TV movie "One Special Night."
TNT will telecast the 11th Annual Screen Actors Guild Awards live from the Los Angeles Shrine Auditorium on Feb. 6.