SAG declined to immediately provide details on the differences in the offers.
Jesse Hiestand, a spokesman for the Alliance of Motion Picture and Television Producers, says bargaining is continuing but declined further comment.
Allen claims the studios are trying to get the guild to bargain up to a tentative deal reached by the smaller American Federation of Television and Radio Artists in May.
SAG is urging members of AFTRA to vote against the contract.
Results are due July 8. The contracts of both unions expire Monday.
(Copyright 2008 by The Associated Press. All Rights Reserved.)
Filed under: Actors Strike, News to Me, Showtime! | Tagged: actor, aftra, hollywood, motion picture, radio artists, SAG, screen actors guild, television