The voice of Perry Mason on the radio series, John William Larkin was also known as Mike Karr in The Edge of Night, and for roles in Those Calloways (1965), The Dick Powell Theatre (1961) and The Satan Bug (1965).
| Episode |
Perry Mason The Case of the Betrayed Bride |
1964 |
| Episode |
The New Breed Hail, Hail, the Gang's All Here |
1962 |
| Episode |
Mannix Trap for a Pigeon |
1974 |
| Episode |
Perry Mason The Case of the Counterfeit Crank |
1962 |
| Episode |
Breaking Point Better Than a Dead Lion |
1964 |
| Episode |
Perry Mason The Case of the Greek Goddess |
1963 |
| Episode |
The Untouchables The Butcher's Boy |
1963 |
| Episode |
The Untouchables The Contract |
1962 |
| Episode |
Wagon Train The Duncan McIvor Story |
1964 |
| Episode |
The Alfred Hitchcock Hour Dear Uncle George |
1963 |
| Episode |
The Fugitive Ticket to Alaska |
1963 |
| Episode |
The Alfred Hitchcock Hour The Evil of Adelaide Winters |
1964 |
| Episode |
Perry Mason The Case of the Reluctant Model |
1963 |
| Episode |
Gunsmoke Louie Pheeters |
1963 |
