Derek Riddell is 5' 11 1/2".
Derek Riddell was born on January 11, 1967.
Derek Riddell was born on January 11, 1967.
Derek Riddell is 46 years old (birthdate: January 11, 1967).
Vanessa Riddell is 175 cm.
The cast of Making Astronauts - 2001 includes: Derek Riddell as Adam
Derek Lee is 6'5.
Derek Amato is 6'.
Derek Ambrosi is 6'.
Derek Vandegrift is 6'.
Derek Spooner is 6'.
Michael Derek is 6'.
Derek Minter is 6'.