Radames has said that while he was filming Little House on the Prairie, Alison Arngrim--who played Nellie Oleson--had a crush on him, but he was unresponsive and ended up "breaking her heart." Radames still jokes about how he thought she was too dorky to actually date at the time, but that he was a dork too--he just didn't realize it yet.
Radames co-directed a video art program released on VHS tape, with his wife Marsha in 1987, entitled "Sheep Of Things To Come".
Radames' father, Eugene, is a reknowned painter.
Radames and David Carradine both wrote the script for "Kung Fu: The Movie" (1986) with the intention of Radames playing the son of Carradine's character Caine, but decided to go with Brandon Lee as his popularity from his connection to his father, Bruce, was growing, and they felt this would attract more viewers to the film.
Radames wrote a letter in support of Arnold Schwarzenegger's character in his bid for Governor of California in Salon.com's September 3, 2003 letters column. Interestingly enough, though, Radames stated that he personally would not vote for him.
Radames married his wife Marsha Mann on Leap Day -- February 29, 1984.
Radames is 6'1" tall.
Radames' last movie appearance was as a Russian radar technician in the seminal 1980's film Red Dawn (1984).
Radames started the MetaCinema Internet service in 2006 to provide unlimited HDTV content via broadband transmission. It debuted in April at the National Association Of Broadcasters convention in Las Vegas.
Radames prefers to be referred to in person as "Rad," his nickname.
Radames' mother, Lisa, was an actress as well.
Radames founded the A-V-Entertainment.com company in 2002, which has installed audio, video, and security systems for businesses, CEOS, restaurants, and many celebrities and directors/producers, including Johnny Depp, Sharon Stone, Nicolas Cage, Ben Stiller, Charlize Theron, Ray Walston, Jean Simmons, and Chuck Norris, to name a few.
Radames grew up next to Grauman's Chinese Theatre in Hollywood, where watching movies influenced him to be an actor.
Radames formed his own audio installation company, All Systems Go!, in 1988. This company specializes in stereo and home theater sound systems.
Radames worked with the Screen Actors Guild's Young Performers Committee to insure that future child actors would have protections and support systems for when they grew up.