Mark WahlbergThe 'Fear' sex scene with Mark Wahlberg, "wasn't great."

The now-47-year-old actress thought back to the orgasmic roller coaster sequence

she filmed the movie when she was 19 years old.

in an interview with Harper's Bazaar that was published on Wednesday,

Witherspoon stated, "I didn't have control over it," 

and added that she had asked for a stunt double.

"It wasn't explicit in the script that that's what was going to happen,

she revealed in regard to the James Foley-directed movie. "The experience wasn't all that great,"

The Post has reached out to Witherspoon, Wahlberg, 52, and "Fear" director James Foley, 69.