Kimberly Quinn (Donna)
Alan was dating Donna after meeting her on the blind date that Charlie met Linda on. After Kimberly guest starred on two episodes of Two and a Half Men, she continued acting. Perhaps, you saw her as Gretchen on FX’s Terriers, Tess Masterson on ABC’s Twisted or as Holly on Netflix’s Gypsy.
Kimberly Quinn (Donna)
Currently, she is married to the famous producer Theordore Melfi who she met in the past. Kimberly played the role of Nurse Ana in the film St. Vincent, which is one of his works, along with Hidden Figures.
Tammy Lauren (Shannon)
During Judith and Herb’s wedding, Alan met Shannon. Though they didn’t actually date, they had a fun run. Tammy went on with her role as Detective Maggie Sullivan on The Young and the Restless after playing Shannon. Also she guest starred on Criminal Minds.
Tammy Lauren (Shannon)
On the other hand, it would appear that she has scaled back her acting career. In addition to this, she has been married to the actor Guri Weinberg since the year 1997.