That was over 34 years ago in 1987.
Today he is 67, and has starred in 73 movies in total, 53 since Innerspace was released.
In Innerspace, I think Dennis Quaid looks:
Innerspace scores 6.6 out of 10 on The Movie Database.
Dennis Quaid's first acting role was as 'Alan' in The Seniors, released in 1978 when he was 23.