The Barbarian Brothers (twin bodybuilders Peter Paul & David Paul) and Richard Kiel (Jaws from the James Bond films) on a TV show in Japan promoting their movie Think Big (1989).

Think Big is a 1990 adventure/comedy film directed by Jon Turteltaub starring the “Barbarian Brothers” Peter and David Paul. The film follows the misadventures of a pair of twin brother truck drivers who aide a teenage runaway. Also features cameos from character actors such as Michael Winslow, Richard Moll, Richard Kiel.
- wikipedia

The director, Jon Turteltaub, also went on to direct Nicolas Cage in both National Treasure movies.

3 Minute Edit of Think Big

Think Big was never released on DVD but you can find used VHS copies on Amazon.
Think Big starring The Barbarian Brothers VHS Cover