A biographical page is devoted to him in the book "Best of the Badmen" (2005) by Boyd Magers, Bob Nareau and Bobby Copeland.
Before his role on television's "Foreign Intrigue" (1951), he held the little-known distinction of having played Philip Marlowe and Johnny Dollar on the radio. He also narrated both the radio and television episode introductions for "The Lone Ranger".
Extremely prolific as member of stock company for radio shows such as "Academy Award" and "Hallmark Playhouse", appearing in scores of roles in each.
He can be heard singing 3 songs, "My Darling Clementine," "Oh, I Killed A Man" and "Aura Lee," in the "Cheyenne" (1955) episode "Rendezvous at Red Rock.".
Perhaps the only person to voice a character from both DC Comics and Marvel Comics. Besides being the voice of Green Lantern (DC) he was the voice of Reed "Mr. Fantastic" Richards (Marvel) in Hanna-Barbera's "Fantastic 4" (1967) animated series.
Played the piano in various episodes of "Foreign Intrigue" (1951) and is credited as being the composer of "The Frontier Theme" featured in the episode "The Confidence Game". He can also be heard playing the melody in other episodes.
Voice of Hal Jordan/Green Lantern in the 1960s "Superfriends" cartoons.
Was one of seven actors to portray "The Lone Wolf" in mystery B-movies. Others included Melvyn Douglas, Francis Lederer, and Ron Randell. The television "Lone Wolf" was played by Louis Hayward.