Berkeley began playing roles in 1981, with early appearances in M*A*S*H, Cagney & Lacey, Remington Steele, Miami Vice, Moonlighting, and The A-Team.
Berkeley debuterede i 1981 i småroller i amerikanske tv-serier som M*A*S*H, Cagney & Lacey, Remington Steele, Miami Vice, Moonlighting og The A-Team.