Sabella's TV roles include Mr. Donald "Twinkie" Twinkacetti in Perfect Strangers (1986-1987), George Shipman in A Fine Romance, and Leon Carosi in Saved by the Bell (1991).

His stage credits include The Robber Bridegroom (1976), Little Johnny Jones (1982), Guys and Dolls (1992) as Harry the Horse, A Funny Thing Happened on the Way to the Forum (1996), Chicago as Amos Hart (replacement), Man of La Mancha (2002, as Sancho Panza) and Sweet Charity (2005).

[3] Film credits include Quiz Show (1994) as the car salesman, In & Out (1997) as Aldo Hooper, Disney's The Lion King (1994) and multiple sequels and spin-offs as Pumbaa.

He also has worked with Nathan Lane, who had voiced Timon, in Guys and Dolls, Mouse Hunt, The Producers (in a deleted scene) and A Funny Thing Happened on the Way to the Forum.

[5] He played the role of apartment building superintendent Leon in the 9th episode "Hold Outs" of the 6th season (2015) of the CBS police procedural drama Blue Bloods.